STURDY FRAME - Made of premium steel to survive the bumps of learning; Plus, the durable steel frame is backed by our limited lifetime warranty. COASTER BRAKE - This kids bike come with coaster brake, simply pushing the pedal backwards and stop the bike. SUITABLE FOR 4-7 YEARS - 16'' bike suitable for 4- 7 years old kids (41'-53'), comes with basket to transport their loved doll and training wheels for safe cycling. SHOCK PROOF SEAT - Shock-proof bike seat is bigger than normal seat, more comfortable for kids cycling. EASY TO ASSEMBLE - The kids bike is 85% assembled, come with basic assembly tools (PUMP NEEDED FOR THE TIRE).