---
product_id: 399510048
title: "Standard Mouth Water Bottle, Flex Cap - 21 oz, Stone"
brand: "hydro flask"
price: "$U6983"
currency: UYU
in_stock: true
reviews_count: 2
url: https://www.desertcart.uy/products/399510048-standard-mouth-water-bottle-flex-cap-21-oz-stone
store_origin: UY
region: Uruguay
---

# Keeps hot 6 hrs Keeps cold 24 hrs Durable powder coat grip Standard Mouth Water Bottle, Flex Cap - 21 oz, Stone

**Brand:** hydro flask
**Price:** $U6983
**Availability:** ✅ In Stock

## Summary

> 💧 Stay cool, stay hot, stay ahead with Hydro Flask.

## Quick Answers

- **What is this?** Standard Mouth Water Bottle, Flex Cap - 21 oz, Stone by hydro flask
- **How much does it cost?** $U6983 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/399510048-standard-mouth-water-bottle-flex-cap-21-oz-stone)

## 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

- • **Eco-Friendly & Safe:** Crafted from BPA-free, 18/8 food-grade stainless steel, keeping your beverages pure and your conscience clear.
- • **Sleek, Slip-Free Design:** Proprietary powder coat finish ensures a secure grip, making it your stylish, no-slip companion on the go.
- • **Versatile Standard Mouth:** 1.81-inch opening fits most ice cubes and Hydro Flask caps, balancing easy sipping with maximum refreshment.
- • **Fits Your Active Lifestyle:** Compact 21 oz size fits most car cup holders and bike racks — hydration that moves with you, wherever you lead.
- • **Ice-Cold Hydration All Day:** TempShield double-wall vacuum insulation locks in cold for 24 hours and hot for 6 hours, so your drink stays perfect from morning meetings to evening workouts.

## Overview

The Hydro Flask Standard Mouth Water Bottle (21 oz, Stone) features TempShield double-wall vacuum insulation to keep drinks cold for 24 hours and hot for 6 hours. Made from BPA-free, 18/8 stainless steel with a durable, slip-resistant powder coat, it fits most cup holders and bike racks. Designed for active professionals seeking reliable, stylish hydration on the go.

## Description

Count on ice in the forecast. Staying hydrated is easy when you’ve got this portable thirst-quenching travel buddy. Whether you’re headed to the gym or a quick jaunt across town, you can easily take your refreshment with you. The 18/8 stainless steel double wall vacuum insulation technology will keep cold liquids chilled for up to 24 hours, while hot liquids remain hot for up to 6. The Standard Mouth opening is large enough to fit most ice cubes, but small enough to sip from on the go. Double wall vacuum insulation keeps your ice cubes intact and your drink icy cold for up to 24 hours. It's large enough to hold water for the day, yet it fits easily into a pack, side pocket or car cup holder. 18/8 stainless steel keeps your favorite beverage fresh and pure, without any leftover flavors or odors. All Hydro Flasks use recyclable materials and are backed by the manufacturer's lifetime warranty. Features: Small enough for convenient transport Standard Mouth Opening TempShield Protected Double Wall Vacuum Insulated Keeps Hot up to 6 Hours, Keeps Cold up to 24 Hours Durable, sweat-free powder coat finish (except for the Stainless option) BPA-Free 18/8 Stainless Steel Lifetime Warranty Compatable Lids: Hydro Flask Sport Cap Parks for All - With Hydro Flask's new giving program, Parks for All, they are focusing on one overarching goal: supporting the development and maintenance of public green spaces everywhere Hand wash only with hot, soapy water. Rinse and dry, and it's ready for adventure

## Features

- Standard Mouth 1.81" opening fits the Hydro Flask Sport Cap and Standard Mouth Flex Cap
- With its double-wall vacuum insulated TempShield technology, liquids remain hot up to 6 Hours, and cold up to 24 Hours
- All Hydro Flasks are made of non-toxic BPA-free plastics & 18/8 stainless steel food-grade stainless steel
- Thanks to the proprietary powder coat, your bottle stays slip-free making it easy to go wherever you do
- Fits in most automobile cup holders and bicycle bottle racks

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Hydro Flask |
| Capacity | 21 Fluid Ounces |
| Colour | Stone |
| Recommended Uses For Product | Water |
| Special Feature | TempShield™ insulation, Proprietary Powder Coat |
| Age Range (Description) | Adult |
| Product Dimensions | 29W x 111H Millimeters |
| Model Name | S21SX010 |
| Item Weight | 24 g |
| Material | Stainless Steel |
| Number of Items | 1 |
| Pattern | Solid |
| Included Components | Lid |
| Product Care Instructions | Hand Wash Only |
| Base Diameter | 2.8 Inches |
| Cap Type | Screw Cap |
| With Lid | Yes |
| Is Dishwasher Safe | Yes |
| UPC | 810007834818 |
| Manufacturer | Hydro Flask, Hydro Flask 525 NW York Dr Bend, OR Sportswear |
| Number of Packs | 1 |
| Global Trade Identification Number | 00810007834818 |
| Department | unisex-adult |
| Manufacturer | Hydro Flask |
| Item model number | S21SX010 |
| ASIN | B083GBDTYY |

## Product Details

- **Brand:** Hydro Flask
- **Capacity:** 21 Fluid Ounces
- **Colour:** Stone
- **Recommended Uses For Product:** Water
- **Special Feature:** TempShield™ insulation, Proprietary Powder Coat

## Images

![Standard Mouth Water Bottle, Flex Cap - 21 oz, Stone - Image 1](https://m.media-amazon.com/images/I/61S21wIHpnL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ best but just 621ml
*by C***A on 10 May 2023*

its awesome and handy.. loved it and looks leak proof... planning to buy onemorr but black one... i love black

### ⭐⭐⭐ Good, but not one of the best
*by P***R on 18 January 2024*

An average product, Flask does not sustain heat for a long time, making it unsuitable for keeping drinks hot or cold for extended periods of time.

## Frequently Bought Together

- Hydro Flask Stainless Steel Standard Mouth Water Bottle with Flex Cap and Double-Wall Vacuum Insulation
- Hydro Flask Flex Boot - Accessory Silicone Water Bottle Protector - Dishwasher Safe, BPA-Free, Non-Toxic
- Hydro Flask Standard Mouth Lids- Accessory for Standard Mouth Water Bottle

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**Shop now:** [https://www.desertcart.uy/products/399510048-standard-mouth-water-bottle-flex-cap-21-oz-stone](https://www.desertcart.uy/products/399510048-standard-mouth-water-bottle-flex-cap-21-oz-stone)

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-01-22*