Hydration Tube Covers Bladder Insulators are Compatible with Hydrapak Water Bladder Reservoir

Description

Just like the beer koozie, Bladder Insulators will insulate your Hydrapak Water Bladder Reservoir. These Insulators help keep your water cool in the heat and help prevent freezing in the winter. Insulate your water bladder reservoir before you put it in your pack or carrier. Patent Pending.