Specifications:Material: aluminum alloy + stainless steelColor: BlackWeight: 1460gPackage size of seat single set: 32.5*16.5*10cmMaterial: Made of high-quality aluminum alloy and stainless steel, strong, sturdy and durable, the saddle is soft and comfortableEasy to Install: Suitable for mountain bikes, hybrid bikes, and exercise bikes, but not for electric bikes, road bikes, or older bikes with cables on the top tube. Only one wrench is needed, no additional tools are required, and the installation is quick and easy.Comfortable and Safe: Our front seats allow children to see better and enjoy the beautiful scenery. At the same time, parents can see their children, which makes them safer.Enjoy time: With our children's bicycle seat and children's bicycle handlebar, you can ride with your children, not only can you enjoy a wonderful parent-child time, but also let your children go outdoors to enjoy the beautiful scenery, love go to naturePackage Included: 1*Bike SeatNote:1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding.2. The color may vary due to different monitors, please understand.Hello, please pay attention to your delivery address when purchasing products. If your receiving information (such as: name, street, house number, doorbell/email without name, etc. is incorrect, the order will not be delivered correctly.)