--- product_id: 508492464 title: "Brew Flask 350ml | Insulated Travel Flask for Hot & Cold Drinks | Recycled Stainless Steel | Sustainable, Eco Friendly Gift (Obsidian Black)" brand: "ocean bottle" price: "€ 86.48" currency: EUR in_stock: true url: https://www.desertcart.hr/products/508492464-brew-flask-350ml-insulated-travel-flask-for-hot-and-cold store_origin: HR region: Croatia --- # 360° lock-lid spill-proof design Double-walled vacuum insulation 90% recycled stainless steel Brew Flask 350ml | Insulated Travel Flask for Hot & Cold Drinks | Recycled Stainless Steel | Sustainable, Eco Friendly Gift (Obsidian Black) **Brand:** ocean bottle **Price:** € 86.48 **Availability:** ✅ In Stock ## Summary > ♻️ Sip Sustainably, Lock In Freshness, Lead the Change! ## Quick Answers - **What is this?** Brew Flask 350ml | Insulated Travel Flask for Hot & Cold Drinks | Recycled Stainless Steel | Sustainable, Eco Friendly Gift (Obsidian Black) by ocean bottle - **How much does it cost?** € 86.48 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/508492464-brew-flask-350ml-insulated-travel-flask-for-hot-and-cold) ## Best For - ocean bottle enthusiasts ## Why This Product - Trusted ocean bottle brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Clean-Up:** Dishwasher safe up to 60°C with a quick hot water refresh trick to keep it looking pristine. - • **Temperature Mastery:** Double-walled vacuum insulation keeps your brew hot or cold for hours without condensation or sweat. - • **Spill-Proof Confidence:** Innovative 360° lock-lid with a simple 90° twist ensures zero leaks, perfect for your on-the-go hustle. - • **Eco-Chic Sustainability:** Crafted from 90% recycled stainless steel and ocean-bound plastics, making every sip a statement for the planet. - • **Purpose-Driven Purchase:** Every bottle funds the collection of 1000 ocean-bound plastic bottles—join the movement to save our seas. ## Overview The Ocean Bottle Brew Flask is a 350ml insulated, leak-proof travel companion made from 90% recycled stainless steel and ocean-bound plastics. Featuring double-walled vacuum insulation and a 360° lock-lid, it keeps drinks hot or cold without sweating or spilling. Dishwasher safe and purpose-driven, each purchase helps remove 1000 plastic bottles from oceans worldwide. ## Description Brew Flask 350ml | Insulated Travel Flask for Hot & Cold Drinks | Recycled Stainless Steel | Sustainable, Eco Friendly Gift (Obsidian Black) ## Features - OCEAN BOTTLE: Our barista-approved Brew Flask is the ultimate travel companion. It keeps your drinks hot, won’t leak or sweat in your bag, and the 360° lid is designed to combat spilling - LOCK-LID: The simple twist 90° mechanic means you can seamlessly lock the lid or unlock it. Double-walled vacuum thermos insulation keeps your liquids at the desired temperature without condensation building up - BUILT TO LAST: An Ocean Bottle is fully recyclable, made from 90% recycled stainless steel, BPA-free plastic, silicone rubber, and ocean-bound plastics - DISHWASHER SAFE: Your Ocean Bottle is dishwasher safe up to 60°C. Sometimes dishwashers leave watermarks, but don’t panic! Simply dip your Ocean Bottle in hot water for 3-5 seconds - OUR PURPOSE: We’re a group of individuals from varying backgrounds and places worldwide who love the ocean and share one common goal - to preserve it. Your purchase pays for 1000 ocean-bound plastic bottles to be collected before they reach our oceans ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Ocean Bottle | | Part Number | 25OB00 | | Product Dimensions | 8 x 8 x 19.6 cm; 340.19 g | | Item model number | 25OB00 | | Size | 350 ml | | Colour | Obsidian Black | | Style | Brew Flask 350ml | | Material | Stainless Steel | | Pattern | Solid | | Item Package Quantity | 1 | | Special Features | Insulated, dishwasher safe, double wall, leak-proof, insulated, leak-proof | | Included Components | Bottle | | Batteries included? | No | | Batteries Required? | No | | Item Weight | 340 g | ## Product Details - **Brand:** Ocean Bottle - **Capacity:** 350 Millilitres - **Colour:** Obsidian Black - **Recommended uses for product:** Water - **Special feature:** Insulated, dishwasher safe, double wall, leak-proof, insulated, leak-proof ## Images ![Brew Flask 350ml | Insulated Travel Flask for Hot & Cold Drinks | Recycled Stainless Steel | Sustainable, Eco Friendly Gift (Obsidian Black) - Image 1](https://m.media-amazon.com/images/I/31UXauVpzTL.jpg) ![Brew Flask 350ml | Insulated Travel Flask for Hot & Cold Drinks | Recycled Stainless Steel | Sustainable, Eco Friendly Gift (Obsidian Black) - Image 2](https://m.media-amazon.com/images/I/51PKZZeQgsL.jpg) ![Brew Flask 350ml | Insulated Travel Flask for Hot & Cold Drinks | Recycled Stainless Steel | Sustainable, Eco Friendly Gift (Obsidian Black) - Image 3](https://m.media-amazon.com/images/I/51skAC0pnNL.jpg) ![Brew Flask 350ml | Insulated Travel Flask for Hot & Cold Drinks | Recycled Stainless Steel | Sustainable, Eco Friendly Gift (Obsidian Black) - Image 4](https://m.media-amazon.com/images/I/51nqVU0MF1L.jpg) ![Brew Flask 350ml | Insulated Travel Flask for Hot & Cold Drinks | Recycled Stainless Steel | Sustainable, Eco Friendly Gift (Obsidian Black) - Image 5](https://m.media-amazon.com/images/I/41M4yo-glpL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: What is the NFC function??** A: Thank you for the great question! Each Ocean Bottle is equipped with an NFC chip at its base. NFC is the same harmless technology which you will find in contactless payment cards, hotel room keys, office badges etc. We are building a platform which will enable you to fund more plastic collection impact when you tap your Ocean Bottle at a partner location around you. Today if you tap your Ocean Bottle onto an NFC activated smartphone, it will lead you to a webapp where you can register your Ocean Bottle to your name and find refill locations around you. **Q: What is the diameter of the bottom of bottle please? I need to check it fits in my car bottle holder. Not all ‘standard’ bottles do.** A: The diameter of the base is 68mm (6.8cm) **Q: How many hrs keep cold and hot? Basic details missing in the description** A: Hi Andrew, Thanks for asking! The bottle can keep the water cold for up to 18 hours. And it will keep the liquid hot for up to 9 hours (it should hold water above 40 degrees after 9 hours). Best regards, Ocean Bottle Team **Q: Is the capacity 500 ml to the larger opening, or 500 ml to the top opening?** A: Hi Lavinia, Thanks for asking! The capacity of the entire bottle to the top opening is 500 ml, metal flask volume is 450 ml. Best regards, Ocean Bottle Team ## Frequently Bought Together - Ocean Bottle - Recycled Stainless Steel Brew Flask - Eco-Friendly & Reusable Bottle - Obsidian Black - 12 oz - Owala FreeSip Insulated Stainless Steel Water Bottle with Straw for Sports and Travel, BPA-Free, 24-oz, Boneyard - TRIPLE TREE 34 OZ Uninsulated Single Walled Stainless Steel Sports Water Bottle 18/8 Food Grade for Cyclists, Runners, Hikers, Beach Goers, Picnics, Camping - BPA Free --- ## 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.hr/products/508492464-brew-flask-350ml-insulated-travel-flask-for-hot-and-cold](https://www.desertcart.hr/products/508492464-brew-flask-350ml-insulated-travel-flask-for-hot-and-cold) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-06-09*