Protect your trampolines jumping mat from the elements to ensure maximum longevity with Upper Bounces Trampoline Weather Cover. Double-sided, laminated polyethylene construction blocks UV rays and moisture to keep them from harming the mat or safety pad. Keeps the jumping surface free of debris for a more enjoyable experience. Simple S-hook attachment. Sizes: 7.5 ft., 8 ft., 10 ft., 11 ft., 12 ft., 13 ft., 14 ft., 15 ft., 16 ft. Colors: Black, Blue. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Size: 12 FOOT BLUE. Color: Black. Type: Trampoline Accessories.