●Note: Customers need to assemble and adjust. This product is low priced and will be delivered in the assumption of being serviced at a bicycle shop. Maintenance at a bicycle store is required (simple instructions for reference). This frame comes with a lifetime warranty and if you have any questions please contact us ●♥Frame Material: High Carbon Steel/Body Weight: Approx. 12.9 lbs (5.3 kg) / Weight Limit: Approx. 66.1 lbs (30 kg) / Suitable Height: Approx. 33.5 - 41.3 inches (85 - 105 cm); Recommended Age: 2 - 5 years old; Saddle and handle height adjustable: Yes ●♥Easy to assemble! Just three steps to complete. Easy to assemble by a woman. Includes special tools ●★Non-slip and soft grip to protect your hands during falls. ★ Includes deceleration brake. ★ Compact high-strength frame. ★ Cushioned saddle for easy buttocks. ★ Rubber tires for multi-directional surfaces ●♥ Safe to play: In response to customer feedback, we have equipped a deceleration brake (practice brake) and durable rubber tires. Safe and easy to play on roads such as parks, outdoors, playgrounds, puddles, gravel roads and lawns. Great for building a sense of balance while playing before riding a bike. For safety, we recommend wearing a sports helmet