Hydro Flask 21oz Standard Mouth Water Bottle Black
- Hydro Flask'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.
- Made with 18/8 pro-grade stainless steel to ensure pure taste and no flavor transfer - and the durable construction stands up for whatever life brings.
- Proprietary powder coat means an easy-grip, sweat-free, and extra-durable bottle that you can take anywhere.
- Versatile, middle-of-the-road size
- Compatible with the Hydro Flask Standard Mouth Insulates Sports Cap
- BPA-Free and Phthalate-Free