This textile roll bag has padded insulated water resistant liners that are compatible with ice packs and can be used as a cooler bag for drinks. It easily attaches to most sissy bars, handlebars, and seats with the hook and loop (Velcro) adjustable straps. It comes with premium and unbreakable quick releases. The fabric used in this bag is a synthetic blend that has been developed and refined for a long period of time -- Cordura is the brand name for a collection of fabrics used in a wide array of products including luggage, backpacks, trousers, military wear and performance apparel. Cordura fabrics are known for their durability and resistance to abrasions, tears and scuffs. Originally developed and registered as a trademark by DuPont, it is now the property of Invista. Cordura fabrics are usually made of nylon, but may be blended with cotton or other natural fibers. The bag itself is lightweight, strong, water resistant and measures 17" X 9"