55" My First Trampoline with Tramp Balloon System: Specifications: * Rust-resistant galvanized steel frame and safety enclosure poles * 55" diameter frame * Steel springs * Durable UV-treated jump mat * Maximum weight capacity: 100 lbs Safety Features: * Meets or exceeds ASTM safety standards Assembly Information: * Assembly required * Will take an adult approximately 30 minutes Includes: * Jump mat * Safety enclosure * Frame * Thick pad spring protector