Power Trampoline&trade; Round or Square Trampoline Replacement Mat (12' Round, 6.5" Springs & 84 Holes/Springs/Rings) Trampoline Frame size:Made for a 12 FT. Round 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 Made in USA