EVO E-Cargo Roll-Up Bicycle Handlebar Bag Water resistant 600D Polyester material Classic roll bag with stiffeners Reflective piping for visibility. Twin Velcro strap mounting system 8.5in x 5.0in (142 c.i.) / 21.6 x 12.7 cm (2.33 L) Reflective band for safety. 280 cu in