Multi-purpose Waterproof Poly Tarp Cover, Reversible, Blue and Silver, 20 ft x 25 ft STURDY AND SOLID - Last for multiple seasons with this 8-by-8 weave count, 5 mil thickness, blue and silver tarp WATER RESISTANT - Water won't penetrate easily through this PE material tarp with rust resistant grommets approximately every 3 feet MANUFACTURED TO THE HIGHEST QUALITY - Heat sealed seams and rope reinforced hems make this 20-foot by 25-foot tarp the choice for anyone needing cheap and reliable covering and protection RESISTANT TO WEAR AND TEAR - These tarps have mildew and rot resistance, along with tear and acid resistance making it the perfect indoor and outdoor cover, great for construction, roofs, camping, inflatables, boats, wood, cars and much more! We do not use lower strength recycled materials in our blue poly tarp