---
product_id: 640134776
title: "Hydro Flask Standard Mouth with Flex Cap - Insulated Water Bottle, 21 Oz"
brand: "hydro flask"
price: "₨29177"
currency: LKR
in_stock: true
reviews_count: 13
category: "Hydro Flask"
url: https://www.desertcart.lk/products/640134776-hydro-flask-standard-mouth-with-flex-cap-insulated-water-bottle
store_origin: LK
region: Sri Lanka
---

# 18/8 pro-grade stainless steel Keeps drinks hot 12h Keeps drinks cold 24h Hydro Flask Standard Mouth with Flex Cap - Insulated Water Bottle, 21 Oz

**Brand:** hydro flask
**Price:** ₨29177
**Availability:** ✅ In Stock

## Summary

> 💧 Stay cool, stay hot, stay ahead—Hydro Flask keeps your vibe fresh all day long!

## Quick Answers

- **What is this?** Hydro Flask Standard Mouth with Flex Cap - Insulated Water Bottle, 21 Oz by hydro flask
- **How much does it cost?** ₨29177 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/640134776-hydro-flask-standard-mouth-with-flex-cap-insulated-water-bottle)

## 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

- • **Leakproof On-The-Go:** Flex Cap’s secure seal means no spills, so you can confidently carry it anywhere.
- • **Effortless Portability:** Comfortable Flex Strap makes carrying your hydration companion a breeze during busy days or workouts.
- • **Durability Meets Purity:** Crafted from 18/8 pro-grade stainless steel to ensure zero flavor transfer and long-lasting strength.
- • **Honeycomb Insulated Cap:** Advanced insulation technology maximizes temperature retention, keeping your drink just right.
- • **Unmatched Temperature Control:** TempShield insulation locks in cold for 24 hours and heat for 12 hours—stay refreshed or energized all day.

## Overview

The Hydro Flask Standard Mouth 21 Oz water bottle features TempShield insulation that keeps beverages cold for up to 24 hours and hot for up to 12 hours. Made from durable 18/8 pro-grade stainless steel, it guarantees pure taste with no flavor transfer. Its leakproof Flex Cap and comfortable Flex Strap make it perfect for active professionals on the move, while the honeycomb insulated cap enhances temperature retention. Lightweight and built to last, this bottle is a top choice for millennial managers who demand style and performance.

## Description

Buy Hydro Flask Standard Mouth with Flex Cap - Insulated Water Bottle, 21 Oz online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: Fantastic - Keeps water cool, easy to carry, has already survived one or two drops with minima damage.
Review: Great product - Worth the money

## Features

- TempShield insulation keeps beverages cold up to 24 hours and hot up to 12 hours
- Made with 18/8 pro-grade stainless steel to ensure durability, pure taste and no flavor transfer
- Flex Cap is leakproof when closed, to transport without worry
- Flex Strap is easy to transport and comfortable to carry
- Honeycomb Insulated cap for maximum temperature retention

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09SQP23MC |
| Batteries required | No |
| Best Sellers Rank | #3,294 in Sporting Goods ( See Top 100 in Sporting Goods ) #198 in Sports Water Bottles |
| Care instructions | Hand Wash Only |
| Customer Reviews | 4.8 4.8 out of 5 stars (40,507) |
| Date First Available | 25 July 2022 |
| Dishwasher safe? | No |
| Import designation | Made in the USA |
| Included components | Water Bottle |
| Item Weight | 340 g |
| Item model number | S21SX464 |
| Number of pieces | 1 |
| Product Dimensions | 7.24 x 7.24 x 26.16 cm; 340.19 g |

## Product Details

- **Brand:** Hydro Flask
- **Capacity:** 21 Fluid Ounces
- **Colour:** Black
- **Recommended uses for product:** Water
- **Special features:** Leakproof

## Images

![Hydro Flask Standard Mouth with Flex Cap - Insulated Water Bottle, 21 Oz - Image 1](https://m.media-amazon.com/images/I/61YV+seZLJL.jpg)
![Hydro Flask Standard Mouth with Flex Cap - Insulated Water Bottle, 21 Oz - Image 2](https://m.media-amazon.com/images/I/61SuJqWNs6L.jpg)
![Hydro Flask Standard Mouth with Flex Cap - Insulated Water Bottle, 21 Oz - Image 3](https://m.media-amazon.com/images/I/91Wnfp3o0GL.jpg)
![Hydro Flask Standard Mouth with Flex Cap - Insulated Water Bottle, 21 Oz - Image 4](https://m.media-amazon.com/images/I/718CMmeqQUL.jpg)
![Hydro Flask Standard Mouth with Flex Cap - Insulated Water Bottle, 21 Oz - Image 5](https://m.media-amazon.com/images/I/91BgTx0oqFL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fantastic
*by K***S on 21 December 2025*

Keeps water cool, easy to carry, has already survived one or two drops with minima damage.

### ⭐⭐⭐⭐⭐ Great product
*by F***D on 25 November 2025*

Worth the money

### ⭐⭐⭐⭐⭐ Best value for money
*by I***N on 13 October 2023*

The best bottle we ever bought

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**Shop now:** [https://www.desertcart.lk/products/640134776-hydro-flask-standard-mouth-with-flex-cap-insulated-water-bottle](https://www.desertcart.lk/products/640134776-hydro-flask-standard-mouth-with-flex-cap-insulated-water-bottle)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-05*