Key benefits Allweather round trampoline mat designed for secure attachment with 72 Vhooks. Suitable for 12 ft trampolines when paired with 5.5 inch springs (springs not included). Durable construction with thick metal Vhooks and rust protection, plus eight rows of stitching to keep the Vhooks firmly attached. Product details Diameter: 10.4–10.5 ft Vhooks: 72 Compatibility: works with 12 ft trampolines when using 5.5 inch springs (springs not included) Springs: required 5.5 inch springs (not included) Construction: metal Vhooks with rust protection; eight rows of stitching secure Vhooks to the mat How to measure Step 1: measure your trampoline frame diameter Step 2: count the springs (or Vhook count) Step 3: measure the length of your springs from hook end to hook end Material and performance Vhooks are made of thicker steel with rust protection The mat is designed to withstand water exposure and fading, delivering reliable performance across weather conditions Use scenarios Replacing a worn mat on a standard 12 ft trampoline frame, using 5.5 inch springs (springs not included) Outdoor backyard jumping throughout the year, including sun and rain, without rapid degradation Family jump sessions where reliable hook attachment and consistent mat tension are important for safe bounces