Ergodyne Chill-Its 5051B Bladder Replacement, 3 L, Blue

With this replacement bladder for the Chill-Its hydration pack, you will never go thirsty. Its resistant to rips and everyday wear and tear for extended use. Compatible with the Chill-Its premium low-profile hydration packs and premium cargo hydration packs (each sold separately). Holds up to 3 L of liquid. Made from TPE for resistance to everyday wear and tear. Dual caps nestled inside 1 another for easy water and ice filling. Insulated tube keeps liquids cool. 100% anti-microbial bite valve helps protect you against germs.