http://tinyurl.com/kbb6p6n
16'x20' Blue Waterproof Poly Tarp for Camping Hiking Backpacking Tent Shelter Shade Canopy Etc.
Made of durable polyethylene, stronger than canvas. "DON'T BE FOOLED BY FAKES"
1/3 the weight of eight ounce canvas, and light enough to be handled
Waterproof and it resists most acids and alkalies.
Reinforced with aluminum rust-resistance grommets. Finish size is 15'3" x 19'6"
blue tarp