Our 16oz acrylic double wall tumblers keep cold drinks cold and warm drinks warm! Forget about single-walled tumblers. Sure, they can hold a drink, but sooner or later you’ll wish that cold drink hadn’t gone warm, or left condensation rings all over your surface. Our Skinny Tumblers with their double walls, thermo-regulate your drinks so you can enjoy them down to the last refreshing drop. Tumblers come with screw top lids with tight straw seal.