AOTOB 10' Round Backyard Trampoline with Safety Enclosure is one of the best family investment! It creates a great opportunity to get family and friends active. Premium alloy steel structure and full safety netting frees a mom from the stress of babysitting all the time. The galvanized spring safely connects the tightly woven jump pad and frame together to provide a comfortable jumping force and a deep impression of the jump. This trampoline is designed to provide long-lasting exercise and fun.