Hydroflask's unique double wall vacuum insulation protects temperature for hours. Cold drinks stay icy cold and hot drinks stay piping hot so you can stay refreshed for any adventure.
- TempShield™ insulation eliminates condensation and keeps beverages cold up to 24 hours or hot up to 12 hours
- Durable 18/8 Pro-Grade Stainless Steel construction
- BPA-Free and Phthalate-Free
- Lifetime Warranty