Ergodyne Chill-Its 5050B Bladder Replacement, 2 L, Blue

Replace the worn-out bladder in your Chill-Its low-profile hydration pack (sold separately). This replacement bladder features a large opening, so you can easily fill it with water and ice. Compatible with the Chill-Its low-profile hydration pack (sold separately). Holds up to 2 L of water. Designed with a wide opening for easy water and ice refilling. Insulation keeps liquids cool. Reusable & avoids disposables - designed to be used repeatedly, helping you avoid single-use disposables and potentially save money.