- 16 inch wheel unicycle with a strong manganese steel frame, a 2-layer tire and an adjustable seat. Extra thick aluminum alloy rim for durability, leakage protection butyl inner tire, and one inflation lasting up to 100 days. Ideal for beginners and professionals, especially kids and teens to practice riding and improve balance. - Durable in use: Extra thick aluminum alloy rim and manganese steel frame designed for long term use. Leakage protection butyl inner tire with 1 inflation lasting 100 days, saving time for practice. 28 to 32 inch adjustable seat to fit users of different height, detachable design for space saving storage. - Safe to ride: Skid-proof outer tire and pedal to prevent slipping. Plastic handle on the seat for beginners to grab onto while learning. - Easy to assemble: Quick-release seat post clamp and a wrench included with the unicycle; complete installation in minutes and ready for a fun, engaging riding moment. - Use scenarios: At home or in a gym to practice balance and control; in the park or on campus for gradual skill progression; suitable for kids and teens learning to ride and building confidence before moving to more advanced setups.