This 12ft trampoline is the biggest in the Trampeazee range. All Trampeazee Trampolines offer the following great features. Robust Galvanised steel frame covered by 5 yr guarantee against rust causing failure. Top rail / leg patent protected bracket, pre-assembled for easy construction. SurroundSafe safety surround â€“made of tough wearing dark green nylon. Keeps jumpers safely on the mat and out of contact with the springs. Entry door secured with YKK zip. Stylish arched lime green uprights. Ground stakes are available at extra cost. High user weights-but for safety reasons one user at a time.