--- product_id: 411626753 title: "Standard Mouth Flex Straw Cap Black" brand: "hydro flask" price: "£24.22" currency: GBP in_stock: true reviews_count: 7 category: "Hydro Flask" url: https://www.desertcart.co.uk/products/411626753-standard-mouth-flex-straw-cap-black store_origin: GB region: United Kingdom --- # Fits all Standard Mouth Hydro Flasks Honeycomb Insulated Cap for max temp retention Dishwasher safe & easy to clean Standard Mouth Flex Straw Cap Black **Brand:** hydro flask **Price:** £24.22 **Availability:** ✅ In Stock ## Summary > 🥤 Sip smart, stay cool, and carry confidence everywhere. ## Quick Answers - **What is this?** Standard Mouth Flex Straw Cap Black by hydro flask - **How much does it cost?** £24.22 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/411626753-standard-mouth-flex-straw-cap-black) ## Best For - hydro flask enthusiasts ## Why This Product - Trusted hydro flask brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Hygiene Made Simple:** Removable parts and dishwasher-safe design make cleaning effortless and fast. - • **Leakproof Confidence:** Secure closure means no spills, so you can carry your drink anywhere with peace of mind. - • **Temperature Lockdown:** Honeycomb insulated cap keeps your drink refreshingly cold longer—no compromises. - • **Customizable Straw Length:** Trim the flexible straw to your perfect sipping length—personal hydration, perfected. - • **Universal Fit, Zero Hassle:** Seamlessly fits all Hydro Flask Standard Mouth bottles for instant upgrade. ## Overview The Hydro Flask Standard Mouth Flex Straw Cap in black is a versatile, leakproof accessory designed to fit all Hydro Flask Standard Mouth bottles. Featuring a honeycomb insulated cap for superior temperature retention, a customizable flexible straw, and dishwasher-safe removable parts, it offers convenience and performance for on-the-go hydration. BPA-free and backed by a lifetime warranty, it’s the perfect upgrade for professionals who demand style and function. ## Description From the manufacturer Review: Fits perfectly - Fits my hydroflask perfectly, old one broke so decided to get a new one with the straw attachment. It also came with a spare straw Review: Fits perfectly - Fits the specific model ## Features - Standard Mouth Flex Straw Cap fits all Hydro Flask Standard Mouth Bottles - Straw is easy to trim to fit your favorite Hydro Flask - Flex Strap is easy to transport and comfortable to carry - Honeycomb Insulated cap for maximum temperature retention - Leakproof when closed so you can reliably sip and transport your refreshment without worry.BPA-Free & Toxin-Free.Removable components for easy cleaning..Dishwasher safe.Flex Straw Cap not intended for use with hot liquids. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09D8RPYKJ | | Best Sellers Rank | #3,832 in Sporting Goods ( See Top 100 in Sporting Goods ) #29 in Sports Water Bottle Accessories | | Brand | Hydro Flask | | Brand Name | Hydro Flask | | Closure Type | Straw | | Color | Black | | Colour | Black | | Country of Publication | China | | Customer Reviews | 4.6 out of 5 stars 2,362 Reviews | | Global Trade Identification Number | 00810028842878 | | Included Components | Water Bottle Accessory | | Is the item dishwasher safe? | Yes | | Item Dimensions L x W | 7.4L x 5.8W centimeters | | Item Type Name | Water Bottle Accessory | | Item Weight | 5 g | | Item weight | 5 g | | Manufacturer | Hydro Flask | | Manufacturer Part Number | SFS001 | | Manufacturer Warranty Description | Lifetime | | Material | Plastic | | Material Type | Plastic | | Model Number | SFS001 | | Number of Pieces | 1 | | Product Style | Flex Straw | | Product dimensions | 7.4L x 5.8W centimeters | | Shape | Round | | Style | Flex Straw | | UPC | 810028842878 | | Unit Count | 1 Count | ## Product Details - **Brand:** Hydro Flask - **Colour:** Black - **Item weight:** 0.01 Pounds - **Material:** Plastic - **Style:** Flex Straw ## Images ![Standard Mouth Flex Straw Cap Black - Image 1](https://m.media-amazon.com/images/I/51rs8Q52D8L.jpg) ## Questions & Answers **Q: Why so expensive? i can get it cheaper from hydro flask, rei, dick sporting goods, etc.** A: Sure you can , If dick sporting goods has the same brand and style **Q: Is this product authentic? Made by Hydroflask?** A: Hello Robert - Wendy from Tall Ridge here - This Hydro Flask Standard Mouth Insulated Sport Cap purchased from us is authentic. We are an authorized Hydro Flask dealer. Please feel free to check us out. We want you to feel comfortable with your purchase. All Hydro Flask products purchased from us are authentic Hydro Flask products. **Q: Does this work for the 64 oz growler?** A: Hello James - Wendy from Tall Ridge here - The Hydro Flask 64 ounce Growler is a Wide Mouth. The Hydro Flask Insulated Sport Cap is for the Standard Mouth bottles only. **Q: Does it fit a 21 oz?** A: If the 21 oz bottle you have has a standard opening, not a wide opening, it should fit. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Fits perfectly *by C***N on 18 September 2024* Fits my hydroflask perfectly, old one broke so decided to get a new one with the straw attachment. It also came with a spare straw ### ⭐⭐⭐⭐⭐ Fits perfectly *by M***E on 30 September 2023* Fits the specific model ### ⭐⭐⭐ The smell of the red silicone *by M***A on 21 March 2024* For those who are sensitive to smells this cap is not a good choice. It has quite a strong smell from the red silicone. I cleaned it many times and left it outside, anyway it smells. ## Frequently Bought Together - Hydro Flask Standard Mouth Lids- Accessory for Standard Mouth Water Bottle - Hydro Flask Replacement Straws 3 Count (Pack of 1) - Hydro Flask Wide Mouth Lids- Accessory for Wide Mouth Water Bottle --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/411626753-standard-mouth-flex-straw-cap-black](https://www.desertcart.co.uk/products/411626753-standard-mouth-flex-straw-cap-black) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-07-19*