--- product_id: 280650536 title: "(2 Bottles) Small, Semi-Rigid, Easy-to-Clean, Refillable Gu Flask for Sports Nutrition Liquid Energy Gel Flask - Cycling Flask, Running Flask, Triathlons, Marathons. 110ml (3.5oz)" brand: "energy flask" price: "265 kr" currency: DKK in_stock: true category: "Energy Flask" url: https://www.desertcart.dk/products/280650536-2-bottles-small-semi-rigid-easy-to-clean-refillable-gu store_origin: DK region: Denmark --- # 110ml compact capacity Dishwasher safe wide mouth Reusable & eco-friendly (2 Bottles) Small, Semi-Rigid, Easy-to-Clean, Refillable Gu Flask for Sports Nutrition Liquid Energy Gel Flask - Cycling Flask, Running Flask, Triathlons, Marathons. 110ml (3.5oz) **Brand:** energy flask **Price:** 265 kr **Availability:** ✅ In Stock ## Summary > ⚡ Power Your Endurance, Waste Less, Perform More! ## Quick Answers - **What is this?** (2 Bottles) Small, Semi-Rigid, Easy-to-Clean, Refillable Gu Flask for Sports Nutrition Liquid Energy Gel Flask - Cycling Flask, Running Flask, Triathlons, Marathons. 110ml (3.5oz) by energy flask - **How much does it cost?** 265 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/280650536-2-bottles-small-semi-rigid-easy-to-clean-refillable-gu) ## Best For - energy flask enthusiasts ## Why This Product - Trusted energy flask brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact Powerhouse:** Sleek 4-inch size fits perfectly in cycling jerseys, running belts, or hydration packs without bulk. - • **Eco-Chic Hydration:** Ditch single-use packets and reduce waste with a durable, BPA/PVC-free semi-rigid design. - • **Fuel on Your Terms:** Refillable 110ml flask lets you customize your energy gel intake anytime, anywhere. - • **DIY Energy Revolution:** Mix your own fuel—maple syrup, honey, coffee, Nutella—and save money while staying energized. - • **Mess-Free Performance:** Wide mouth and secure cap eliminate sticky spills and simplify cleaning—dishwasher safe! ## Overview The Energy Flask is a 110ml semi-rigid, BPA/PVC-free reusable gel flask designed for endurance athletes. Its compact size and wide mouth make it easy to fill, clean, and carry during running, cycling, triathlons, and other sports. Dishwasher safe and eco-friendly, it replaces single-use gel packets and supports DIY energy mixtures for personalized nutrition on the go. ## Description Energy Flask is a refillable semi-rigid gu flask for endurance sports used to carry energy gel, DIY energy fuel, hydration mix, pickle juice or water. These reusable, small gel bottle are simple, fast, and convenient to use and provide a better way to fuel your next workout or adventure. Perfect hammer flask for running, cycling, triathlons, hiking, climbing, snow sports, bike packing, or any endurance sports activity. Compact design makes this gel bottle easy to fit where you need them to: cycling jersey pocket, flipbelt, frame or bar bag, hip pack, fuel belt or hydration pack. ## Features - CONVENIENT – Small gel flask that is easy to use and easy to clean. No more struggling with individual gel packets during your workouts or races. These gel flasks allow you to consume as much or as little as you need, as often as you want. - CLEAN – Eliminate sticky messes and carrying empty gel packet waste. - EASY – Simple to open/close with secure cap. Unlike other gu bottle, Energy Flask has a wide mouth that makes it easy to fill and simple to clean (dishwasher safe). Molded finger holds on one side for secure grip. - SAVE $$$ and REDUCE WASTE - Can use do-it-yourself (DIY) sports fuel. Create your own gel mixtures with maple syrup, honey, coffee, Nutella, etc. Better for the environment by eliminating individual gel packets. - COMPACT and BPA/PVC FREE - Unlike other larger gel bottles, Energy Flask is only about 4" tall and holds 110 ml (3.5oz) capacity. Semi-rigid. Squeezable. Easily fits in small places like cycling jersey pocket, bike frame bags, running fuel belt, hip pack, ski pack, hiking bag, summit pack, or hydration pack. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08LHN3WMC | | Additional Features | Dishwasher Safe,Wide Mouth | | Age Range Description | Adult | | Best Sellers Rank | #22,349 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #14 in Camping & Hiking Hydration Flasks | | Bottle Type | Sports Bottle | | Brand Name | Energy Flask | | Capacity | 110 Milliliters | | Color | White | | Container Type | Bottle | | Customer Reviews | 4.5 4.5 out of 5 stars (214) | | Finish Types | Polished | | Item Dimensions W x H | 4.3"W x 4.3"H | | Item Type Name | Gel flask | | Manufacturer | Energy Flask | | Manufacturer Part Number | 001 | | Material Type | Plastic | | Material Type Free | Polyvinyl Chloride (PVC) Free | | Model Name | Energy Flask | | Number of Items | 2 | | Number of Packs | 2 | | Product Care Instructions | Dishwasher Safe | | Recommended Uses For Product | Endurance sports nutrition, Running, Cycling, Triathlons, Hiking, Climbing, Snow sports, Bike packing | | Reusability | Reusable | | Shape | Rectangular | | Specific Uses For Product | Endurance sports nutrition, Running, Cycling, Triathlons, Hiking, Climbing, Snow sports, Bike packing | | Sport Type | Climbing, Cycling, Hiking, Running | | Style Name | Sporty | | Theme | Sports Nutrition | | Unit Count | 2 Count | ## Product Details - **Bottle Type:** Sports Bottle - **Brand:** Energy Flask - **Capacity:** 110 Milliliters - **Color:** White - **Material:** Plastic ## Images ![(2 Bottles) Small, Semi-Rigid, Easy-to-Clean, Refillable Gu Flask for Sports Nutrition Liquid Energy Gel Flask - Cycling Flask, Running Flask, Triathlons, Marathons. 110ml (3.5oz) - Image 1](https://m.media-amazon.com/images/I/61wwrfHa8wL.jpg) ## Frequently Bought Together - (2 Bottles) Small, Semi-Rigid, Easy-to-Clean, Refillable Gu Flask for Sports Nutrition Liquid Energy Gel Flask - Cycling Flask, Running Flask, Triathlons, Marathons. 110ml (3.5oz) - FITLY Soft Flask - Shrink As You Drink Soft Water Bottle for Hydration Pack - Folding Water Bottle Ideal for Running, Hiking, Cycling, Climbing & Rigorous Activity - HydraPak SoftFlask - Collapsible Nutrition Flask (150ml or 250ml) - BPA Free, Easy Open Cap, Foldable, Lightweight --- ## 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.dk/products/280650536-2-bottles-small-semi-rigid-easy-to-clean-refillable-gu](https://www.desertcart.dk/products/280650536-2-bottles-small-semi-rigid-easy-to-clean-refillable-gu) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-07-06*