OGIO Replacement 2-litre Bladder Kit features:

Bladder kit includes bladder, hose and bite valveSlide lock opening with large opening makes it easy to clean and fill with ice cubes so you have a cooler drink for longerBladder is reinforced with full length plastic shank so bladder retains its shape and doesn't sag to the bottom of the packBPA-free polyurethane film is protected by Microban® antimicrobial technologyOGIO Reservoir utilizes radio frequency welded seam technology on seams and exit port to ensure a strong leak-proof bondAngled easy flow bite valve provides a constant flow-rateHose is odour free and taste freeVolume markings on the front make it easy to mix electrolytes or your favorite drink2-litre capacity