Used individually or hooked together in various combinations to form modular luggage systems up to 90 litres. Easy to fit with quick-release hooks attaching to web loops secured to the bike’s subframe. No additional bungees or rain covers required. Convenient to carry off the bike with a removable shoulder strap. 100% Waterproof main body. Universal fit to any bike. Roll-top closure for total weather protection. Side pocket with water resistant YKK® zip. Easily removable white liner for washing. Padded shoulder strap&waist strap included to convert into a rider pack. Add to other US-Drypacks to create a modular luggage system. Hook-on to any Kriega Backpack for extra waterproof storage. - Kriega US-30 Size