This product is made of 300D polyester and PVC materials, durable, waterproof, high transparent and sensitive touch screen PVC bag can be installed mobile phone or map, removable PE board, keep the car package crisp. Filled PE foam, shockproof, and secure your internal items, top-of-the-line zippers for easy loading / unloading, quick-release quick-fit design, double-sided reflective stripes, increased night riding safety with straps And D-ring, can also be used as a shoulder bag.