- 24 hours cold, 12 hours hot
- TempShield® double-wall vacuum insulation
- Leakproof when closed
- Fits most cupholders
- Pure taste, no flavor transfer
- Wide Mouth opening is ice cube friendly
- Durable stainless steel
- BPA-Free
- Flex Straw Cap not intended for use with hot liquids
- Not for use on a stove, in a microwave or freezer