VEVOR AU EN
Select the country/region, language, and currency you prefer for shopping.
Delivery to
Your Address
Hello, Sign in
Account & Order
Categories
Deals Best Sellers Member Club
Download VEVOR App
Exclusive AU $5.00 off for your first three orders on the App.
Scan the QR code to download
Home Office Supplies Office Electronics Waterproof Hard Case

Search for "commercial waterproof membranes"

Building & Construction
Office Supplies
Lawn & Garden
Heating & Cooling
Popular
VEVOR IP67 Waterproof Hard Case 39.6 cm Hard Carrying Case w/ Foam Insert VEVOR IP67 Waterproof Hard Case 39.6 cm Hard Carrying Case w/ Foam Insert VEVOR IP67 Waterproof Hard Case 39.6 cm Hard Carrying Case w/ Foam Insert VEVOR IP67 Waterproof Hard Case 39.6 cm Hard Carrying Case w/ Foam Insert VEVOR IP67 Waterproof Hard Case 39.6 cm Hard Carrying Case w/ Foam Insert VEVOR IP67 Waterproof Hard Case 39.6 cm Hard Carrying Case w/ Foam Insert VEVOR IP67 Waterproof Hard Case 39.6 cm Hard Carrying Case w/ Foam Insert VEVOR IP67 Waterproof Hard Case 39.6 cm Hard Carrying Case w/ Foam Insert VEVOR IP67 Waterproof Hard Case 39.6 cm Hard Carrying Case w/ Foam Insert VEVOR IP67 Waterproof Hard Case 39.6 cm Hard Carrying Case w/ Foam Insert VEVOR IP67 Waterproof Hard Case 39.6 cm Hard Carrying Case w/ Foam Insert VEVOR IP67 Waterproof Hard Case 39.6 cm Hard Carrying Case w/ Foam Insert
VEVOR IP67 Waterproof Hard Case 39.6 cm Hard Carrying Case w/ Foam Insert
(21)
80.99
80.99
Deal after registering
Member discounted price
80.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR Heat Uncoupling Membrane Tile Membrane Underlayment 3 x 41 ft 135 sq.ft VEVOR Heat Uncoupling Membrane Tile Membrane Underlayment 3 x 41 ft 135 sq.ft VEVOR Heat Uncoupling Membrane Tile Membrane Underlayment 3 x 41 ft 135 sq.ft VEVOR Heat Uncoupling Membrane Tile Membrane Underlayment 3 x 41 ft 135 sq.ft VEVOR Heat Uncoupling Membrane Tile Membrane Underlayment 3 x 41 ft 135 sq.ft VEVOR Heat Uncoupling Membrane Tile Membrane Underlayment 3 x 41 ft 135 sq.ft VEVOR Heat Uncoupling Membrane Tile Membrane Underlayment 3 x 41 ft 135 sq.ft VEVOR Heat Uncoupling Membrane Tile Membrane Underlayment 3 x 41 ft 135 sq.ft VEVOR Heat Uncoupling Membrane Tile Membrane Underlayment 3 x 41 ft 135 sq.ft VEVOR Heat Uncoupling Membrane Tile Membrane Underlayment 3 x 41 ft 135 sq.ft VEVOR Heat Uncoupling Membrane Tile Membrane Underlayment 3 x 41 ft 135 sq.ft VEVOR Heat Uncoupling Membrane Tile Membrane Underlayment 3 x 41 ft 135 sq.ft
VEVOR Heat Uncoupling Membrane Tile Membrane Underlayment 3 x 41 ft 135 sq.ft
(7)
287.99
287.99
Deal after registering
Member discounted price
287.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR Tarp Waterproof Tarpaulin 16 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 16 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 16 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 16 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 16 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 16 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 16 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 16 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 16 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 16 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 16 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 16 x 20 ft 10Mil Plastic Poly Tear UV Resistant
VEVOR Tarp Waterproof Tarpaulin 16 x 20 ft 10Mil Plastic Poly Tear UV Resistant
(115)
55.99
55.99
Deal after registering
Member discounted price
55.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR Tarp Waterproof Tarpaulin 20 x 40 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 40 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 40 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 40 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 40 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 40 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 40 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 40 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 40 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 40 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 40 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 40 ft 16Mil Plastic Poly Tear UV Resistant
VEVOR Tarp Waterproof Tarpaulin 20 x 40 ft 16Mil Plastic Poly Tear UV Resistant
(115)
184.99
184.99
Deal after registering
Member discounted price
184.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR Tarp Waterproof Tarpaulin 20 x 30 ft 10 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 30 ft 10 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 30 ft 10 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 30 ft 10 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 30 ft 10 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 30 ft 10 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 30 ft 10 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 30 ft 10 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 30 ft 10 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 30 ft 10 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 30 ft 10 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 20 x 30 ft 10 Mil Plastic Poly Tear UV Resistant
VEVOR Tarp Waterproof Tarpaulin 20 x 30 ft 10 Mil Plastic Poly Tear UV Resistant
(115)
85.99
85.99
Deal after registering
Member discounted price
85.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 16 Mil Plastic Poly Tear UV Resistant
VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 16 Mil Plastic Poly Tear UV Resistant
(115)
80.99
80.99
Deal after registering
Member discounted price
80.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 10Mil Plastic Poly Tear UV Resistant
VEVOR Tarp Waterproof Tarpaulin 12 x 20 ft 10Mil Plastic Poly Tear UV Resistant
(115)
48.99
48.99
Deal after registering
Member discounted price
48.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR Tarp 12x16ft 5Mil Waterproof Tarpaulin Plastic Poly Tear UV Resistant VEVOR Tarp 12x16ft 5Mil Waterproof Tarpaulin Plastic Poly Tear UV Resistant VEVOR Tarp 12x16ft 5Mil Waterproof Tarpaulin Plastic Poly Tear UV Resistant VEVOR Tarp 12x16ft 5Mil Waterproof Tarpaulin Plastic Poly Tear UV Resistant VEVOR Tarp 12x16ft 5Mil Waterproof Tarpaulin Plastic Poly Tear UV Resistant VEVOR Tarp 12x16ft 5Mil Waterproof Tarpaulin Plastic Poly Tear UV Resistant VEVOR Tarp 12x16ft 5Mil Waterproof Tarpaulin Plastic Poly Tear UV Resistant VEVOR Tarp 12x16ft 5Mil Waterproof Tarpaulin Plastic Poly Tear UV Resistant VEVOR Tarp 12x16ft 5Mil Waterproof Tarpaulin Plastic Poly Tear UV Resistant VEVOR Tarp 12x16ft 5Mil Waterproof Tarpaulin Plastic Poly Tear UV Resistant VEVOR Tarp 12x16ft 5Mil Waterproof Tarpaulin Plastic Poly Tear UV Resistant VEVOR Tarp 12x16ft 5Mil Waterproof Tarpaulin Plastic Poly Tear UV Resistant VEVOR Tarp 12x16ft 5Mil Waterproof Tarpaulin Plastic Poly Tear UV Resistant
VEVOR Tarp 12x16ft 5Mil Waterproof Tarpaulin Plastic Poly Tear UV Resistant
(115)
23.99
23.99
Deal after registering
Member discounted price
23.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
MUST BUY
VEVOR 12 Inch Industrial Ventilation Extractor ventilation fan commercial air blower fan Metal Axial Exhaust 300MM Air Puller Fan (300MM/12 Inch) VEVOR 12 Inch Industrial Ventilation Extractor ventilation fan commercial air blower fan Metal Axial Exhaust 300MM Air Puller Fan (300MM/12 Inch) VEVOR 12 Inch Industrial Ventilation Extractor ventilation fan commercial air blower fan Metal Axial Exhaust 300MM Air Puller Fan (300MM/12 Inch) VEVOR 12 Inch Industrial Ventilation Extractor ventilation fan commercial air blower fan Metal Axial Exhaust 300MM Air Puller Fan (300MM/12 Inch) VEVOR 12 Inch Industrial Ventilation Extractor ventilation fan commercial air blower fan Metal Axial Exhaust 300MM Air Puller Fan (300MM/12 Inch) VEVOR 12 Inch Industrial Ventilation Extractor ventilation fan commercial air blower fan Metal Axial Exhaust 300MM Air Puller Fan (300MM/12 Inch) VEVOR 12 Inch Industrial Ventilation Extractor ventilation fan commercial air blower fan Metal Axial Exhaust 300MM Air Puller Fan (300MM/12 Inch) VEVOR 12 Inch Industrial Ventilation Extractor ventilation fan commercial air blower fan Metal Axial Exhaust 300MM Air Puller Fan (300MM/12 Inch) VEVOR 12 Inch Industrial Ventilation Extractor ventilation fan commercial air blower fan Metal Axial Exhaust 300MM Air Puller Fan (300MM/12 Inch) VEVOR 12 Inch Industrial Ventilation Extractor ventilation fan commercial air blower fan Metal Axial Exhaust 300MM Air Puller Fan (300MM/12 Inch) VEVOR 12 Inch Industrial Ventilation Extractor ventilation fan commercial air blower fan Metal Axial Exhaust 300MM Air Puller Fan (300MM/12 Inch) VEVOR 12 Inch Industrial Ventilation Extractor ventilation fan commercial air blower fan Metal Axial Exhaust 300MM Air Puller Fan (300MM/12 Inch)
VEVOR 12 Inch Industrial Ventilation Extractor ventilation fan commercial air blower fan Metal Axial Exhaust 300MM Air Puller Fan (300MM/12 Inch)
(98)
69.99
69.99
Deal after registering
Member discounted price
69.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 16 Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 16 Mil Plastic Poly Tear UV Resistant
VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 16 Mil Plastic Poly Tear UV Resistant
(115)
44.99
44.99
Deal after registering
Member discounted price
44.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR Tarp Waterproof Tarpaulin 12 x 16 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 16 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 16 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 16 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 16 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 16 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 16 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 16 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 16 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 16 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 16 ft 16Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 12 x 16 ft 16Mil Plastic Poly Tear UV Resistant
VEVOR Tarp Waterproof Tarpaulin 12 x 16 ft 16Mil Plastic Poly Tear UV Resistant
(115)
58.99
58.99
Deal after registering
Member discounted price
58.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR Tarp Waterproof Tarpaulin 10x12 ft 5Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10x12 ft 5Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10x12 ft 5Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10x12 ft 5Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10x12 ft 5Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10x12 ft 5Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10x12 ft 5Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10x12 ft 5Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10x12 ft 5Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10x12 ft 5Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10x12 ft 5Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10x12 ft 5Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10x12 ft 5Mil Plastic Poly Tear UV Resistant
VEVOR Tarp Waterproof Tarpaulin 10x12 ft 5Mil Plastic Poly Tear UV Resistant
(115)
17.99
17.99
Deal after registering
Member discounted price
17.99
Save
Non-PRO Account
In Stock.
Add to Cart
Add to Wish List
VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 10Mil Plastic Poly Tear UV Resistant VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 10Mil Plastic Poly Tear UV Resistant
Sold Out
VEVOR Tarp Waterproof Tarpaulin 10 x 12 ft 10Mil Plastic Poly Tear UV Resistant
(115)
28.99
24.99
Deal after registering
Member discounted price
28.99
Save
Non-PRO Account
View Details
Add to Wish List
Related searches
best waterproof travel trailer cover tar sheet waterproofing waterproof retractable awning with sides waterproof patio table cover waterproof patio furniture covers waterproof outdoor sectional cover waterproof outdoor cushion covers waterproof golf bag cover waterproof garden scatter cushions waterproof cover for round garden table waterproof cover for bistro set patio waterproof covers cam cover patio sectional cover waterproof patio furniture with waterproof cushions
See more
VEVOR Tarp 12x16ft 5Mil Waterproof Tarpaulin Plastic Poly Tear UV Resistant
VEVOR Tarp 12x16ft 5Mil Waterproof Tarpaulin Plastic Poly Tear UV Resistant
(115)
23.99
23.99
23.99
PRO Savings::
In Stock.
1
You May Also Like
Tips & Inspiration
Recommended Searches
waterproof car waterproof outdoor cushion covers waterproof outdoor cushions clearance outdoor table cover waterproof outdoor furniture with waterproof cushions