Made of soft rubber material, comfortable hand feeling for cycling Non-slip design - mushroom style surface, having a better shock absorption High quality kids bicycle grips, with the trait of wearing and weather resistance Easy to install - spraying a little soap water on your handlebar to make it easier and quicker to install Suitable for most child bikes, balance bikes, and partially scooter handlebars with the inner diameter of 20mm Specification: Color: yellow/black/blue/yellow-black Material: rubber Length: 4.33 in/11cm Inner diameter: 0.79in/20mm Package Includes: 1 Pair Handlebar Grips(4 Pack) Note: Please allow 0.1-0.3mm differences due to manual measurement Please understand that we cannot guarantee photos and the real color are 100% the same due to the light irradiation or computer display difference.