Kanga – Kanga Coolers. The Kanga Kase Mate Is The Iceless Cooler For Your Case, Keeping Beverages Cold For Up To 7 Hours Without Ice. We're Reinventing The Way You Keep Drinks Cold, Just Grab A Cold Case From The Fridge, Slide It Into The Kase Mate, Zip It Up, And Let Kanga Keep those Drinks Cold...The Iceless way!