Bounce your way toward hours of fun with the Machrus Upper Bounce 8 ft x 14 ft Rectangular Gymnastics Style Trampoline with Enclosure. The heavy-duty powder-coat steel frame and flexible PP jumping mat are resistant to water and UV rays, while the heavy-duty galvanized springs provide plenty of bounce. Machrus Upper Bounce 8 ft x 14 ft Rectangular Gymnastics Style Trampoline with Enclosure Blue/Black - Trampolines at Academy Sports