Tervis Insulated Travel Mug

20oz double walled stainless steel tumbler with hammer lid

Up to 24 hours cold and 8 hours hot (12oz 15 hours cold and 6 hours hot).
Double-wall vacuum insulation and copper lined 18/8 stainless steel with leak resistant, easy-close lid.
Stainless slim bottle keeps drinks cold for up to 48 hours, fits most ice cubes and features a quiet, non-slip base. Also includes a leak-proof, insulated lid.
Do not put in dishwasher, freezer or microwave.
Hand wash with soap (no bleach or chlorine) & water using a scratch-free sponge.