Features 1. Safety and Comfort: Kids bike seat have safety harness. You can concentrate on driving the bike without worrying about the child's unexpected movements. 2 .It is unique and stylish and also designed ultra durable aluminum alloy.The adjustable and soft saddle will not affect the balance of riding. High quality standards designed and manufactured for the utmost safety and comfort. 3. Easy to Install and Remove: Equipped with a quick installation wrench, allowing you to quickly release the accessories so that the child bicycle seat is super easy to install and remove. 4. Kids Bike Seat Fits All Adult Mountain Bikes with flat or sloping top tubes. The Kids Bike Handlebars fit flat or riser style handlebars. 5. Comfortable and close-fitting design releases free space,and will not affect your riding and children's play. Suitable for family riding adventures and daily commuting. Specification Material: Metal Color: Black Size: 30 16 10 cm, 30 9 6cm, 32 16 10 Weight: 1460 g, 260 g, 1612 g Package Include: 1x Bike Seat or 1x Handlebar or 1x Handlebar+Bike Seat