- Wholesale 20' x 20' TARP-400 SQUARE FEET - Poly woven tarp coated on both sides with polythylene film. - Water, mildew and rust resistant - Four plastic reinforced corner bars for extra strength and longer life - Rust resistant grommets approximately every three feet along all four heat welded edges - 2 Color reversible design gives you a choice. - Silver on top, blue underneath - Ideal for various outdoor uses - Cut size: 20' x 20' aprox. finish size:19' 2" x 19' 6"