, The Plum 14ft Wave trampoline features Spring safe technology and a high quality enclosure that separates children from the springs and frame; giving grown ups peace of mind and allowing children to bounce away safely while developing key skills. Bounce away the afternoon on this Plum 14ft Wave trampoline which features Spring safe technology and an updated enclosure, offering more durability and added safety. The high quality Spring safe enclosure separates children from the springs and frame; giving grown ups peace of mind and allowing children to bounce away safely whilst improving their physical development. The Plum 2G enclosure separates the jumper from the springs and frame. High quality safety pads cover the top of the frame and springs, giving a further protection element. Double galvanized steel frame makes for long lasting protection against rust.