Description: 【Bicycle Accessory】: This children's bicycle saddle is an essential accessory for any bike, making it a great aid for bicycle maintenance and repair. 【Premium Material】: The children's bike seat is made of waterproof PU thickened sponge material, ensuring its durability and longevity, comfortable riding. 【Easy Saddle Replacement】: The replaceable bike seat for kids makes it easy to old or damaged saddles, great for long distance outdoor cycling or daily use. 【Product Dimensions】: The saddle for children's bicycle with post tube bar is with seat size 20cmx12cm/7.87inchx4.72inch and seat tube length 18cm/7.09inch. 【Versatility】: This saddle for children's bicycle with post tube bar fits most children's balance bikes, making it a practical addition to your collection of bicycle accessories. Specification: Material: Waterproof PU Thickened Sponge Size Chart: Seat 20cmx12cm/7.87inchx4.72inch Seat Tube Length 18cm/7.09inch Package Includes: 1 Replacement Bike Seat for Kids Note: Please allow slightly errors 1-2cm differences due to manual measurement.