The My First Trampoline with T**** Balloon System is a fun choice for your four to six year old. It is made with high-quality components that meet or exceed ASTM safety standards. With a galvanized steel frame and safety enclosure poles as well as steel springs, this 55" trampoline is durable and made to last through rigorous jumping and play. All springs and steel are covered with thick padding to ensure your child's safety. The jump mat is UV-treated to prevent fading due to sun exposure. The recommended weight limit on this children's trampoline is 100 lbs and some assembly is required. With this children's trampoline, your kids are sure to have hours of safe bouncing fun.