Features1. Easy to install. The roller ski sled is easy to install and interchangeable with a couple of screws without a complex installation process.2. Practical. The roller ski sled can be used as part of your electric scooter to make your scooter sliding on the snow smoothly.3. Durable. The roller ski sled adopts high quality PE material which possesses good low temperature resistance. It can work normally below -20 Celsius.4. High quality. The roller ski sled is complies with the European toy standards CE EN 71-1 / 2/3 and 6P environmental protection.5. Application. The roller ski sled is suitable for kids electric scooters, which can bring a lot of fun for your kids in winter.6. ONLY TWO SLEDS, NO OTHER PARTS.Specifications:Material: PEColor: BlackSize38*11cmPackage Includes: 2X Sled