Flash PU wheel - flash front wheel, high elastic wear-resistant thick material Height Adjustable Seat - Saddle fit hips, filter bumps Anti-slip pedal - widened pedal design, anti-slip surface design, the baby can stand more stably and slide more safely Reinforced nylon base plate - non-slip, wear-resistant and durable Stable and firm - the swing displacement offset value is small during the turning process, and it is not easy to roll over