Our 38x40 tarps come in many colors with many offering excellent UV protection with tear and mildew resistance. These big 38 x 40 tarps are great. They provide shade and protection for your outdoor belongings. Keep your outdoor belongings safe and sound with one of these huge 38' x 40' tarps on offer. But these are not only for outdoor use, bring your 38x40 tarp inside and cover those old items you can't get rid of just yet. A tarp is a great way to protect your stuff.