Smartshake Retain is an insulated, stainless steel water bottle. The Retain bottle features double wall vacuum technology that will cool you down if it’s hot, or warm you up when it’s freezing. You’ll last all day thanks to its great functions and no-nonsense operation.
- Keep it hot or cold—double wall vacuum technology keeps the temperature for up to 10 hours
- Features an easy operated twist-open lid with integrated carry loop
- Designed with durable stainless steel
- Provides easy cleaning with middle part detachment
- Tested for US/EU food safe standards, BPA and DEHP free