LEAKPROOF: Say goodbye to leaky water bottles. The Hydro Flask Flex Cap is leakproof when closed. Toss it into your bag without worry.
FITS CUPHOLDERS: The cupholder-friendly design means your bottle fits seamlessly in most cupholders. Designed for seamless cupholder cohabitation, it's right at home on the open road, on the sidelines, in a pack or wherever you need to set your sips.
model number: S21CSX374
Part Number: S21CSX374
Details: Stay hydrated with the Hydro Flask 21 oz Standard Mouth Bottle. With a comfortable, flexible handle, the reusable water bottle is leakproof with double-wall insulation to keep drinks cold up to 24 hours and hot for up to 12 hours. The insulated bottle easily fits ice cubes and is dishwasher safe. 24 hours cold. 12 hours hot. TempShield® double-wall vacuum insulation. Leakproof when closed. Won't retain odor or leftover flavor. BPA-Free. Dishwasher safe. Easy to clean by hand or dishwasher. Stays clean and colorful. Not for use on a stove, in a microwave or freezer. Keep hot drinks out of the reach of children. Bottle fits all Standard Mouth caps and lids, including the leakproof Flex Straw Cap.
