Doubled walled tumbler. Stainless steel base with plastic casing and lid. Cup will keep drinks hot for longer. Lid is not completely spill proof. BPA free.
Use For best performance pre heat with hot water and leave for a few minutes before filling with desired liquid.
Care Before and after each use - hand wash only, use mild detergent, rinse well and air dry. Never use chemical bleach or chlorine cleaners. If cup becomes stained or tainted to taste use a teaspoon of baking soda in warm water, let stand for 1 hour and repeat.
Warnings Never microwave. Never put in the dishwasher to avoid potential damage or water leakage between thermal layers. Always check the lid is securely in place before drinking. Do not overfill with hot liquids above the base of the lid. Keep out of reach of children when used with hot liquids.