Time flys when you are outdoors having fun with the kids on one of the larger trampolines on the market. This trampoline is 15" round from outside diameter; it is 36" off the ground. The frame is made with galvanized steel with a patented frame weld design to provide stability. The jumping mat is made with grade A polypropylene weather resistant materials. The frame pad is thick to provide additional safety. This 15 foot Trampoline and Enclosure combination is for children 6 years and older. Do not allow multiple jumpers/users; do not do somersaults/back flips as serious injury could occur. Exceeds and/or meets ASTM standards. Box Dimensions: Box A 52 W x 23 H x 15 D weighing 138 lbs Box Dimensions: Box B 43 W x 19 H x 19 D weighing 70 lbs Box Dimensions: Box C 12 W x 8 H x 8 D weighing 35 lbs. Legal Statements: Read all warnings: to insure safe trampoline use Do not allow multiple jumpers/users; do not do somersaults/back flips as serious injury could occur This product meets and/or exceeds all AS™ standards