Product Highlight: This is a children's bicycle seat cover featuring a thick, soft silicone cushion. It's great for balance bikes and kids' bikes, providing a comfortable riding experience.Material: The Kids Bike Seat Cushion Cover is made of quality silicone, memory foam, and cloth. These materials ensure durability while offering maximum comfort to biker.Design: Kids Bike Seat Cushion with cartoon design adds a fun element to your child's bike while ensuring their comfort during rides.Drawstring, Full Wrap: Drawstring with adjustment buckle design, easy to use, stable and nonslip.Package Includes: Each package comes with 1pc seat cover and 1pc rain cover to protect the seat from water damage during rainy days. Specification: Material:Silicone, memory foam, cloth Size Chart: S: 15cmx22cm/5.91inchx8.66inch, Suitable for seat length 11.7cm-22.5cm/4.61inch-8.86inch, seat width 14cm-15.5cm/5.51inch-6.1inchM: 16cmx27cm/6.30inchx10.63inch, Suitable for seat length 23cm-27cm/9.06inch-10.63inch,seat width14cm-16cm/5.51inch-6.3inch Package Includes: 1 Kids Bike Seat Cushion Cover1 Rain Cover Note: Please allow slightly errors 1-2cm differences due to manual measurement.