Polar Water Bottles

Insulated Water Bottle 24oz or 20oz The Polar Bottle dual-wall insulation design features a reflective foil layer between an inner and outer bottle to keep liquids cool twice as long as standard water bottles. The foil layer reflects the sunlight, while the inner and outer bottle create an insulating air barrier. Polar Bottle is the originator of this design, and remains one of the top performing insulated squeeze bottles on the market.