Oceanweave 600D reclaimed fishnet polyester with waterproof polyurethane coating Hydracore liner provides an exceptional IPX5 waterproof rating Rixen & Kaul Vario 2 spring-loaded hooks immediately adjust from 6mm-16mm, without any need for tools Triple webbing tie-downs allow variable size/shape loads to be carried outside of the main cavity - ideal for stowing U-Locks on the go Ultra-stiff Polypropylene backing plate keeps the bags shape and structure for easy loading and unloading Intuitive waterproof roll-down closure system Ultra-visible three-way 3M triangle logos Carry handles for convenience headed from and to the bike Lifetime warranty through Axiom Hook and Rail 15.4x10.6x5.9` 964 c.i. (Single) Black XXX-Large (700+ c.i.)