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

-Lead Free