Cortech 0.5 Liter Speed Bladder Crafted for a precise fit in the H20 speed hump, this liner for the Cortech Sector Pro Race Suit is noted for its exceptional durability and high-quality materials. Ensuring enhanced protection and suit performance, this liner is an essential upgrade for the discerning racer. Features: Lightweight and packable High-flow self-sealing bite valve to prevent leaks when not in use Slim narrow profile RF welded seams for superior durability and elasticity User friendly, easy to use and clean 100 BPA free Includes 2 bladders and 1 hose