Axiom Monsoon Hydracore 32+ Panniers has a 600D Polyester construction w/Hydracore inner ensures a waterproof seal. 31.6L / 1928 cubic inches (pair). Includes shoulder strap. Triple webbing tie-downs allow variable size/shape loads on outside of bag. Mounts with Rixen & Kaul VARIO 2 hooks are adjustable from 6mm-16mm. Rixen & Kaul lower SLIDE-LOCK rail and FLIP-LOCK hold panniers firmly. Intuitive waterproof roll-down closure system. 3M triangle rear logo. Front and rear LED light clips. Carry Handles.