Φ4.5FT Kids Trampoline with Enclosure Net, Springless Design, Safety Pad and Steel Frame, Toddler Round Bouncer for Age 3 to 6 Years, RedSPRINGLESS DESIGN: Trampoline for kids is supported by metal tubes and high density bungee for a better bounce. The thick outer edge can perfectly cover the bungee for extra security. PERFECT KIDS GIFT: Encourage a healthy lifestyle for young kids to work muscles, boost heart rate, and improve flexibility. Perfect gift for kids age 3 to 6 years old. SPACIOUS DESIGN: Designed in a round shape to provide plenty of room to bounce. Won't take much room,