Key Features Sturdy and Durable: High-quality high-carbon steel, and artificial leather, provide this product with high hardness, corrosion resistance, and aging resistance, so it can withstand the test of time well. Adjustable Design: The seat height can be adjusted from 19.6'' to 25.6'', and the handle height can be adjusted from 27.55'' to 30.7'', providing enough space for children's growth. Safe and Reliable: Dual brakes(front and rear) provide double safety, so your child can control the bike quickly and safely. The wheels with anti-skid tread patterns provide excellent grip and stability in most weather conditions. Excellent Load-bearing Capacity: The solid materials, sturdy frame, and stable triangular structure formed by the main body and two auxiliary wheels provide it excellent load-bearing capacity of 110.2-176.4 lbs, so it makes the riding smooth and stable. Specifically For Kids: This bike comes with stable training wheels, and the handlebars and grips are designed for small hands. It can improve their sports skills, promote physical coordination, and enhance balance so that they can grow up more happily surrounded by love.  Application It is suitable for children aged 3-4 years old and 35.4-43.3 inches tall and can be used for recreation or exercise in towns, bike paths, and other roads. Specifications Material: High-carbon Steel, Artificial Leather, Sponge, Rubber, Plastic Color: Green/Blue Bike Type: Kids Bike Assembly Required: Yes Usage: Outdoor Mounting Type: Floor Standing Gender: Universal Suitable Children: 3-4 Years Old, 90-110cm/35.4-43.3in Load Bearing Capacity: 50-80kg/110.2-176.4lbs Height of Handle: 70-80cm/27.55-30.7in Distance from Seat to Ground: 50-65cm/19.6-25.6in Distance from Seat to Handle: 48cm/19in Distance from Auxiliary Wheel to Wheel: 40cm/15.7in Seat Length: 23cm/9in Body Length: 102cm/40in Bicycle Frame Size: 35cm/14in Gross Weight: 8kg/17.6lbs Packing Size: 82*41*19cm/32.3*16.1*7.5in Package Included 1*14-inch Bicycle 1*English Installation Diagram All Accessories for Assembly Notes 1.Protective equipment (not included) shall be worn during use and please do not use it on public transportation roads. 2.Please note that this item cannot be folded. 3.Please do not place heavy items on this children's bicycle.