- Double-walled vacuum insulation with a clear lid.
- They have a narrower bottom to fit most standard cup holders.
- They are 2X heat and cold resistant compared to a normal tumbler.
- These are made from 18/8 gauge stainless steel, also known as Type 304 Food Grade.
- Seamless construction so there is no leak point.
- The hole on the lid is big enough for a straw.
- Not recommended for dishwashers, hand wash only.