Stay hydrated with the Hydro Flask 21oz bottle featuring a Flex Straw Cap for easy on-the-go drinking. Its TempShield double-wall vacuum insulation keeps drinks cold for up to 24 hours, making it perfect for daily use, travel, or workouts.
Flip it and sip it with the Hydro Flask 21 oz (621 ml) Standard Mouth Bottle With Flex Straw Cap. With a comfortable, flexible handle, the closeable, leakproof straw cap is easy to open and close with one hand, for on-demand hydration. Double-wall insulation keeps drinks cold up to 24 hours for cool refreshment. The slim design fits most cupholders and is dishwasher safe.
Composition: 70% Stainless steel, 5% Polyester, 5% Polyester with acrylic coating, 5% TPU, 5% Silicone, 5% Polyethylene, 5% Glass.
