SDB Durable Self Balancing Smart Board Backpack Electric Scooter Shoulders Bag SDB Brand Certificate (Registration No.4575574): Registered From July 29,2014,All Right Reserved. Suitable for 6.5-inch drifting scooter, highly material for perfect fit The material is 1680D high-strength and anti-tear oxford fabric Reverse side waterproof plastic coating, dustproof and waterproof Bilateral zipper, bagging more convenient