{"product_id":"hydro-flask-water-bottle-insulated-stainless-steel-3","title":"Hydro Flask insulated 21 oz Stainless Steel Water Bottle — Sandpiper with Leakproof Flex Cap for Everyday Cupholders","description":"\u003cp\u003e\u003cstrong\u003eHydro Flask's 21 oz Standard Mouth Sandpiper bottle is an insulated, leakproof stainless-steel water bottle built to keep drinks cold up to 24 hours and hot up to 12 while fitting cupholders and everyday routines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis stainless-steel bottle combines TempShield® double-wall vacuum insulation with a comfortable flexible handle and a color-matched leakproof Flex Cap for a sleek, travel-ready thermos that resists odors and holds pure taste. At 21 ounces it’s sized to carry enough liquid for outings, workouts, or your commute while remaining compact enough for most backpacks and car cupholders.\u003c\/p\u003e\n\n\u003ch3\u003eHow long will the Hydro Flask 21 oz keep my drinks cold or hot?\u003c\/h3\u003e\n\n\u003cp\u003eThe ThermoShield double-wall vacuum insulation maintains cold beverages for up to 24 hours and warm liquids for up to 12 hours under normal use. This performance helps retain temperature without adding extra bulk or weight.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCold retention: up to 24 hours using TempShield® double-wall vacuum insulation.\u003c\/li\u003e\n  \u003cli\u003eHot retention: up to 12 hours for warm drinks.\u003c\/li\u003e\n  \u003cli\u003eLightweight construction that preserves temperature without heavy insulation mass.\u003c\/li\u003e\n  \u003cli\u003eDesigned not to transfer flavors between uses for consistent taste.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this bottle leakproof and practical for travel?\u003c\/h3\u003e\n\n\u003cp\u003eThe included Flex Cap seals securely to prevent leaks when closed, and the bottle’s slim profile fits most cupholders for hands-free travel. The flexible handle makes it simple to grab, clip, or carry throughout the day.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eLeakproof Flex Cap when closed — throw it in a bag worry-free.\u003c\/li\u003e\n  \u003cli\u003eStandard Mouth opening fits ice cubes and most lids in the Standard Mouth family.\u003c\/li\u003e\n  \u003cli\u003eCupholder-friendly diameter for cars, strollers, and bike cages.\u003c\/li\u003e\n  \u003cli\u003eDurable stainless-steel exterior resists dents and everyday wear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I clean and care for the Hydro Flask 21 oz?\u003c\/h3\u003e\n\n\u003cp\u003eThe bottle and lid are dishwasher safe for easy cleanup, but hand washing is also quick and effective. Stainless steel construction prevents odor retention and flavor transfer, so your beverages taste fresh each time.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDishwasher safe parts — bottle and lid can go in the dishwasher.\u003c\/li\u003e\n  \u003cli\u003eHand-wash friendly for quick rinses and deeper scrubs when needed.\u003c\/li\u003e\n  \u003cli\u003eBPA-free stainless steel that won’t hold onto smells or flavors.\u003c\/li\u003e\n  \u003cli\u003eNot suitable for microwave, stove, or freezer use; avoid exposing to open flame or extreme direct heat.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich lids, accessories, and uses are compatible with this Standard Mouth bottle?\u003c\/h3\u003e\n\n\u003cp\u003eThe 21 oz uses the Hydro Flask Standard Mouth system, so it accepts a variety of caps and accessories to match your routine — from straws to sport caps. The color-matched cap gives a coordinated look while other caps add different sipping styles.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible with all Hydro Flask Standard Mouth caps and lids, including Flex Straw Cap.\u003c\/li\u003e\n  \u003cli\u003eSwap lids for sport-friendly drinking, filtered options, or insulated travel caps.\u003c\/li\u003e\n  \u003cli\u003eVersatile for hiking, gym sessions, desk use, commuting, and travel.\u003c\/li\u003e\n  \u003cli\u003eMonochrome Sandpiper finish provides a stylish, unified appearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Hydro Flask 21 oz Sandpiper bottle suits anyone wanting reliable temperature control in a mid-sized bottle — commuters, students, gym-goers, and outdoor enthusiasts who need a leakproof, cupholder-friendly bottle that preserves taste and color. If you want a durable, easy-to-clean stainless-steel bottle with flexible carrying and broad lid compatibility, this Standard Mouth Hydro Flask is built for everyday use.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I put ice cubes in the Hydro Flask 21 oz Standard Mouth?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the Standard Mouth opening fits ice cubes and makes it easy to add cold packs or chunks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Hydro Flask 21 oz dishwasher safe?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — both the bottle and lid are dishwasher safe, though you can hand wash for quicker cleaning.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Hydro Flask","offers":[{"title":"Default Title","offer_id":48023777640609,"sku":"B0F7XTYYDF","price":94.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/hydro-flask-21oz-sandpiper-front-view.jpg?v=1791355257","url":"https:\/\/canadiansporting.ca\/products\/hydro-flask-water-bottle-insulated-stainless-steel-3","provider":"Canadian Sporting","version":"1.0","type":"link"}