BIKE, WORK, SHOP: Handlebar attachment system fits most bikes while heavy duty underside velcro straps secure to most standard bike racks. Use the same bag to go into work, run errands, grocery shop or for bike camping trips. Designed in rainy Vancouver, Canada VERSATILE: Use as a front rack bag, trunk bag, handlebar bag, or as a messenger bag when on the move. Perfect subtitute for a bike basket and always portable with a removable shoulder strap included WATERPROOF: Made with TPE-backed 600 denier fabric and a roll top closure. Fluorescent high visibility rain cover included, ensuring your items stay dry 24/7 20 LITERS: Large capacity to ensure this messenger bag stores all your every day essentials, groceries, biking gear, and weekend hiking or camping gear, with a roll top closure to account for overflow packing, and external pockets for ease of access BE VISIBLE: Branded reflective label and fluorescent rain cover ensures an extra level of safety. External loops included to attach on additional lights for added visibility while on the road Designed as a multi-versed carry (almost anything) bike bag. Attach it as a trunk bag on all standard front or rear racks with heavy-duty velcro straps or securely mount it to handlebars with quick slide attachments. Fits most popular bike baskets and bike-share systems. The removable shoulder strap conveniently carries 20 Liters of groceries or gear in between trips. Made for total utility when commuting or bike packing with a large waterproof roll-top closure.