Riding with your children will not only satisfy your children's curiosity about the world,but will also stimulate your children's love for cycling. Features: Heavty duty aluminium alloy material for high strength and durability. Designed for children 1-9 years old and weighing less than 55-60kg. Fits for most bikes with down tube width less than or equal to 6.5cm.(NOTE:Not suitable for bicycles with cables on the top tube.) Adjustable height to fits most bike's down tube. Adjustable foam handrail provide kids better grip and more safety during cycling. Adjustable cushioned saddle fit nicely around kids' hips and protect their hipbone from injuries. Quick release attachment,easy to install and remove. Easy-folding,ultralight,come with a free packing bag. Specification: Material: Aluminium alloy + Foam Loading capacity: Max. 55 - 60 kg / 121 - 132 lb Package size: 14.3 * 22.5 * 44.3 cm / 5.6 * 8.9 * 17.4 in Package weight: approx. 1.64 kg / 3.6 lb Package List: 1* Folding Child Bike Seat 1* Storage Bag