Bring back your Trampoline's bounce with this New and Strong Trampoline Jumping Mat! Our Trampoline Mats are a direct replacement for your tired, worn-out trampoline mat and designed to meet or exceed your manufacturers' original trampoline mat's specifications and are guaranteed to ensure a perfect fit. The jumping sheet is easy to spread and fix with hooks. Size, Ring, and Hooks - The 15 foot Trampoline Jumping Mat has 84 V-Shaped rings for springs of 7 inches including hooks (springs not included). Considering the purpose of the trampoline, it has a top-notch premium quality of PP Mesh material, thus, making it ultra-durable. It is made with 8 rows of stitching in order to keep it secure from tearing and enjoy the fullness of gymnastic mat. Safety Measurements and Protection - The jumping mat is Ultra-Violet (UV) and water-resistant, offering you ultimately the safest and the long-lasting joyful and fun investment. Therefore, fixing and installing a trampoline mat and accessories outside the home in an open area is ideal. Specifications: Amount of springs: 84 Spring size: 7" Springs not included.