Trampoline Depot Square MAT FITS 13 x 13 ft. Frame Using 84 7.5 inch Springs Withstands sun, rain and cold without deterioration Fits 13x13-ft Square Frame - 11-ft x 11-ft Mat Size for 84 Rings (Springs sold separately) Made of U.S. Permatron Fabric for the ultimate rebounding surface Will fit all brands including SkyWalker, JumpKing, Leisure Kingdom, Hedstrom, Wal-Mart, Costco, Sam's Club, Sports Chalet, Sports Authority, Sundance, NBF, AirMaster, Regal, Sky Bouncer, JumpSport, Bazoongi, Bollinger, Supertramp, and all other trampoline brands. 6 rows of stitching to secure the v-rings in place