Upper Bounce Trampoline Jumping Mat, 13-Feet, Black Trampoline Frame size:Made for a 13 FT. x 13 FT. Square Trampoline (for your trampoline size: measure frame from one outside edge vertically and horizontally to the other outside edge, make sure to measure it both ways to confirm your size) Material:Heavy Duty Premium Polypropylene Mesh Material has 8 row stitching which provides extra security that prevents the mat from tearing and guaranteed to enjoy for many years! UV-resistant, Water & Fade Resistant Mat Fits for Skywalker Model #'s STSC13BE, STSC13BC Warranty: 1 Year Warranty