Description
The Hydro Flask 21 oz Standard Mouth is the perfect daily hydration bottle—cupholder‑friendly, durable and insulated for all‑day performance. It keeps drinks cold for 24 hours and hot for up to 12, all in a sleek stainless‑steel design. Refillable, reusable and built for every adventure.
Features
- TempShield double‑wall vacuum insulation keeps drinks cold up to 24 hours or hot up to 12
- Leakproof when closed for secure transport
- Standard Mouth size fits most vehicle cupholders
- Durable stainless‑steel construction for daily use
- Dishwasher safe for easy cleaning
- Not suitable for microwave use
- Keep hot liquids out of reach of children
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