jumpking jkrc1014c319 10 x 14 foot enclosed rectangular trampoline with g3 pole jumpking the jumpking 10 foot x 14 foot enclosed rectangular trampoline is perfect for kids and adults, and gymnasts. the trampoline shape has advantages of three jumping zones. the shape ensures the bouncer is not drawn into the center of the trampoline while bouncing. this trampoline features a heavy-duty uv protected jumping surface for strength and durability. we use environmentally friendly material safety pad. the six pole enclosure system with uv treated polyethylene netting keeps your kiddos safe inside. the four leg heavy-duty steel frame makes the entire structure strong and durable.