Introducing the Air King Pro 8 x 12ft Rectangular Trampoline;Trampolines are not just for kids, they are great fun and exercise for the whole family! Parents, teenagers and children alike can enjoy trampolining. Suitable for large families, small families, young children and old, you really can’t go wrong choosing a Air King Pro rectangular Trampoline as they are perfect for almost everyone. Rectangular Trampolines; Due to their shape, rectangular trampolines have springs working at different rates providing a more lively bounce. They can also fit into a garden that might not be suitable for a round trampoline. Frame;The frame is constructed with extra strong 2mm galvanised 42mm steel tubes that are covered by our unbeatable 5-year frame warranty. The HOT galvanisation process ensures that the trampoline frame sections are coated inside and out, which is much better for garden and outdoor use. And unlike other cheaper galvanised frames that are only coated on the exterior of the frame.