Acon Air 16 Sport Trampoline with Enclosure and Ladder 16 Ft. x 9 Ft. Heavy Duty | High Quality Rectangular Sport Trampoline with Rectangular Enclosure - NOW WITH LADDER | No single user weight restriction | Great for adults and kids Tramp and Enclosure weight 510 lbs. | Tramp height 40 inches. | 8 times cross sewed polypropylene UV treated mat. 138 heavy gauge 10" springs Galvanized frame pipes both inside and out. | Frame pipe diameter 2.4 inches. | Pipe thickness .1 inches.