COMPCOOLER 3.0-Liter Square Cube Single Chamber Bladder is Designed for use with Motorcyclist Tank Bag Solo ICE Cooling System

["Available in three capacities; 3.0 liter for use with COMPCOOLER Backpack,2.5 liter for use with Univest personal cooling systems and 1.5 liter for use with Waistpack personal cooling system. 5.0 liter for dual chamber backpack personal cooling system.The 3.0-liter Square Cube single chamber bladder is designed for use with COMPCOOLER’s Motorcyclist Tank Bag Solo ICE Cooling System .","Quick release fittings provide an easy connection to COMPCOOLER personal cooling systems. Roll-top slider has large opening for easy filling and draining of coolant water.","Fully frozen bladders will provide 2°C - 5°C (36°F - 41°F) coolant water for 1 to 4 hours (depending on size chosen). Ice cubes can be used instead of freezing water. Cooling time will be reduced.","Extra bladders can be purchased and prepared for extended cooling time."]