Description
xThe Hydro Flask 21 oz Standard Mouth bottle is an insulated, stainless-steel water bottle with a leakproof Flex Cap that keeps drinks cold up to 24 hours and hot up to 12.
Compact yet powerful, this 21-ounce Hydro Flask blends durable pro-grade stainless steel with TempShield® double-wall vacuum insulation for dependable temperature retention and pure taste. Finished in indigo blue, the bottle includes a flexible, easy-grip handle and a standard mouth that accepts all compatible Hydro Flask lids. It’s built for daily carry—cupholder-friendly, dishwasher-safe, and resistant to lingering flavors or odors.
How long will this bottle keep my drinks cold or hot?
TempShield double-wall vacuum insulation is designed to dramatically slow heat transfer so cold beverages stay chilled and hot beverages remain warm for many hours. The 21 oz Standard Mouth format balances portability with insulation performance for everyday use.
- Up to 24 hours cold for iced water, juices, or cold brew.
- Up to 12 hours hot for coffee, tea, or hot chocolate.
- Insulation works without added bulk—lightweight for on-the-go use.
Is the bottle really leakproof and easy to carry?
The included Flex Cap seals securely to prevent spills when closed, so the bottle can travel in backpacks or bags with minimal risk of leakage. A molded, flexible handle attaches to the cap, making it simple to grab, clip, or hold while commuting or hiking.
- Leakproof Flex Cap locks closed to prevent accidental spills.
- Comfortable handle for one-handed carrying or attachment to gear.
- Standard Mouth fits a range of Hydro Flask caps and accessories.
How easy is it to clean and will it keep flavors pure?
Constructed from pro-grade stainless steel and a non-porous interior finish, the bottle resists flavor transfer so previous drinks won’t affect the next. Both bottle and lid are dishwasher-safe, making routine cleaning quick and convenient.
- Stainless steel interior prevents retained odors and tastes.
- Dishwasher-safe components preserve color and cleanliness.
- Wide enough to accept ice cubes for longer coldness and easier cleaning.
Will the bottle fit in my car or backpack?
The 21 oz Standard Mouth profile is designed to be cupholder-friendly and pack-compatible, fitting most car holders and many side pockets. Its compact height keeps it stable in a variety of everyday places without compromising capacity.
- Cupholder-friendly diameter for drives and commutes.
- Slim enough for backpack side pockets and gym slots.
- 21 oz capacity provides substantial hydration without excess weight.
Who is this for: The Hydro Flask 21 oz Indigo bottle is ideal for commuters, students, active parents, and outdoor enthusiasts who want a durable, easy-to-carry insulated bottle that preserves flavor and temperature. Choose this size if you need a compact bottle that still holds enough liquid for workouts, short hikes, desk use, or daily errands. Note: not for use on stovetops, in microwaves, or in freezers; keep very hot liquids away from children.
FAQ
Q: Is the Hydro Flask 21 oz dishwasher safe?
A: Yes—both the bottle and Flex Cap are dishwasher safe and designed to keep color and finish when cleaned in a dishwasher.
Q: Does this bottle fit ice cubes and cupholders?
A: Yes—the Standard Mouth accepts ice cubes and the 21 oz profile fits most car cupholders and backpack pockets.
Delivery & Returns
xFree UK delivery on every order, no minimum. We dispatch within 1 business day and email your tracking link; standard delivery takes 2–4 business days.
Free 30-day returns — even if you simply change your mind. Email thehomelypantry@gmail.com, we send a prepaid label, and refund the original payment method within 14 days.
Why The Homely Pantry
xWe track the home essentials UK households buy again and again — real reviews, proven materials, manufacturer warranties — and stock only those. Exact dimensions on every listing so you match sizes with confidence.
Prices in GBP with VAT included, encrypted Shopify checkout, and email support every day.
Care & Good to Know
xAlways check the care label before first wash. Bamboo-cover toppers and bedding wash best cool (30°C) without fabric softener; washable rugs air-dry flat.
Sizing note: many best-sellers are US-cut — match the centimetres in the listing to your mattress or hallway, not the size name. Unsure? Email us and we will check it for you.
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