These sturdy trampolines have a galvanised steel frame & reinforced welded brackets to ensure safety & strength, with an easy drain, soft surface matting. Recommended maximum user weight: 100kg 16mm/6mm EPE closed cell foam pads to protect the user.10 year guarantee against rust causing failure. Tested to exceed 1 million bounces to guarantee years of play. Easy-drain, soft surface matting. Use with 10ft Trampeazee Surround for added safety. Surround NOT included