All exacme trampoline go through an TUV certification. Heavy duty galvanized steel frames make trampoline max weight up to 335 LBS; Our 15 16 foot trampoline are of 7" spring: the stronger the spring, the bigger the bounce
BOUNCING SAFETY GAURD: 0.6" thickness shock absorbing foam design spring cover, foam padded poles and 360 degree net safety system will effectively prevent the chance of getting injured when your kids falling on the springs or poles