High quality durable sturdy construction with heavy duty springs Spin-lock mechanism- safe and simple way to adjust height Heavy-duty adjustable handle bar provides 5 levels ranging from 25" to 41" (starting from the jumping surface) designed for kids & adults The soft foam covered handlebar is comfortable to grip and safe for the skin of the palm Maximum weight capacity: 250lbs NO shipping to Alaska, Hawaii, Puerto Rico, Guam, Virgin Islands, APO/FPO addresses or PO Boxes Ader durable 36-inch mini trampoline with adjustable handrail bar provides safety while jumping