Made of lightweight, tear resistant 420D Ripstop polyester Large side opening for easy access to contents 80 cubic inches of storage including 3 mesh pockets, key ring, and interior pump straps Universal Velcro mounting fits a wide variety of frame types and styles Reflective accents for additional safety at night Velcro Straps 10.6x3.9x3.2` 80 c.i. Black Small (1-100 c.i.)UPC/EAN/GTIN: 3420587049006