---
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: "₩43451"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/280650536-2-bottles-small-semi-rigid-easy-to-clean-refillable-gu
store_origin: KR
region: South Korea
---

# 110ml compact capacity wide mouth for easy cleaning 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:** ₩43451
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your endurance, ditch the mess, and join the eco-fuel revolution!

## 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?** ₩43451 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/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

- • **Eco-Smart Choice:** Reusable, PVC-free flask reduces single-use packet waste and saves you money.
- • **Fuel on Your Terms:** Refillable 110ml flask lets you customize your energy gel or DIY fuel anytime, anywhere.
- • **Compact & Ready to Go:** Slim 4" semi-rigid design fits perfectly in cycling jerseys, running belts, and hydration packs.
- • **Mess-Free Performance:** Wide mouth and secure cap eliminate sticky gel packet struggles and waste.
- • **Effortless Maintenance:** Dishwasher safe and easy to clean for hassle-free post-workout care.

## Overview

The Energy Flask is a 110ml semi-rigid, refillable gel bottle designed for endurance athletes. Its compact, lightweight design fits easily into sports gear pockets, while the wide mouth and secure cap ensure easy filling, cleaning, and mess-free fueling. Made from BPA/PVC-free materials and dishwasher safe, it supports DIY energy gels and reduces single-use waste, making it the smart, sustainable choice for runners, cyclists, triathletes, and outdoor adventurers.

## Description

(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)

## 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 |
|---------------|-------|
| Brand | Energy Flask |
| Material | Plastic |
| Bottle Type | Standard Bottle |
| Capacity | 110 Milliliters |
| Special Feature | Dishwasher Safe,Wide Mouth |
| Product Dimensions | 4.3"W x 4.3"H |
| Product Care Instructions | Hand Wash Only |
| Model Name | Energy Flask |
| Recommended Uses For Product | Endurance sports nutrition, Running, Cycling, Triathlons, Hiking, Climbing, Snow sports, Bike packing |
| Number of Items | 2 |
| Reusability | Reusable |
| Shape | Rectangular |
| Material Type Free | Polyvinyl Chloride (PVC) Free |
| Finish Type | Polished |
| Unit Count | 2 Count |
| Package Information | Bottle |
| Manufacturer | Energy Flask |
| Part Number | 001 |
| Item Weight | 1.23 ounces |
| Finish | Polished |
| Special Features | Dishwasher Safe,Wide Mouth |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** Energy Flask
- **Material:** Plastic
- **Bottle Type:** Standard Bottle
- **Capacity:** 110 Milliliters
- **Special Feature:** Dishwasher Safe,Wide Mouth

## 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)
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- HydraPak SoftFlask - Collapsible Nutrition Flask (150ml or 250ml) - BPA Free, Easy Open Cap, Foldable, Lightweight

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**Shop now:** [https://www.desertcart.kr/products/280650536-2-bottles-small-semi-rigid-easy-to-clean-refillable-gu](https://www.desertcart.kr/products/280650536-2-bottles-small-semi-rigid-easy-to-clean-refillable-gu)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-03*