These foldable can holders are constructed from 3mm Neoprene "Wetsuit" rubber. They are designed to keep your favourite beverage COLD... and your hands WARM! The holder is collapsible & has sewn seams on two sides. The neoprene construction means it is easy to remove the bottle from the holder - no pliers needed. The Kolder Holder will fit in the console of your car, truck, golf cart or boat.