4.2 x 12 x 17 inches

Reflective backpack be seen avoids accidents, the rider bag is a safety lightweight backpack that makes you more visible for other drivers on the route. Day and night more comfortable and safe, commuter bike bag Motorcycle backpack - riderbag with the hi vis color and reflective material helps to keep you safe day and night to prevent an accident. You can also upgrade this motorcycle back pack for men and women incorporation a spine protector (sold separately) that you can insert on the special bottom pocket Rain cover and helmet net included - a backpack for men with safety features, water resistant backpack that you can make waterproof, casual daypack backpacks bright as a safety vest a daypack that can be use as a hiking backpack