---
product_id: 487202592
title: "Water Bottle 621 ml (21 oz) with Flex Straw Cap - Vacuum Insulated Stainless Steel Reusable Water Bottle - Leakproof Lid - Hot and Cold Drinks - Standard Mouth - BPA-Free - Black"
brand: "hydro flask"
price: "279.13 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "Hydro Flask"
url: https://www.desertcart.tn/products/487202592-water-bottle-621-ml-21-oz-with-flex-straw-cap
store_origin: TN
region: Tunisia
---

# Leakproof flex straw cap Keeps drinks hot up to 12h Keeps drinks cold up to 24h Water Bottle 621 ml (21 oz) with Flex Straw Cap - Vacuum Insulated Stainless Steel Reusable Water Bottle - Leakproof Lid - Hot and Cold Drinks - Standard Mouth - BPA-Free - Black

**Brand:** hydro flask
**Price:** 279.13 DT
**Availability:** ✅ In Stock

## Summary

> 💧 Stay cool, sip smart, and never miss a beat with Hydro Flask.

## Quick Answers

- **What is this?** Water Bottle 621 ml (21 oz) with Flex Straw Cap - Vacuum Insulated Stainless Steel Reusable Water Bottle - Leakproof Lid - Hot and Cold Drinks - Standard Mouth - BPA-Free - Black by hydro flask
- **How much does it cost?** 279.13 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/487202592-water-bottle-621-ml-21-oz-with-flex-straw-cap)

## 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

- • **Sleek, Portable Design:** Compact 621 ml size fits seamlessly in your backpack or car cup holder—hydration that moves with you.
- • **Safe, Sustainable & Easy Care:** BPA-free, toxin-free, and dishwasher safe for a clean, eco-conscious lifestyle without compromise.
- • **Durable Pro-Grade Stainless Steel:** 18/8 stainless steel ensures zero flavor transfer and a bottle that’s built to last through every adventure.
- • **TempShield Tech for All-Day Freshness:** Double-wall vacuum insulation locks in your drink’s perfect temp—cold or hot—no matter where your hustle takes you.
- • **Sip On-The-Go with Leakproof Flex Straw:** One-handed hydration made effortless with a spill-proof straw cap designed for your busiest days.

## Overview

The Hydro Flask 621 ml water bottle features TempShield vacuum insulation technology that keeps beverages cold for up to 24 hours and hot for up to 12 hours. Crafted from durable 18/8 pro-grade stainless steel with a leakproof flex straw cap, it offers one-handed hydration on the move. BPA-free, dishwasher safe, and designed for portability, this bottle is perfect for professionals seeking reliable, stylish hydration throughout their busy day.

## Description

HYDRO FLASK - Water Bottle 621 ml (21 oz) with Flex Straw Cap - Vacuum Insulated Stainless Steel Reusable Water Bottle - Leakproof Lid - Hot and Cold Drinks - Standard Mouth - BPA-Free - Black

Review: Great bottle - I love this bottle—great size, fits in car cup holder, easy to clean, and it keeps drinks at the perfect temperature.
Review: Light weight - Keeps things very cold

## Features

- One-handed hydration: the double-wall vacuum insulated technology keeps your drink at the perfect temperature no matter where your day takes you. Enjoy a leakproof flex straw cap to sip your drink at optimal temperature, while being on the move. This water bottle is just the right size for staying hydrated before, during and after activity
- Benefit from a perfect drinking temperature for hours: our TempShield vacuum insulated technology, combined with our Honeycomb insulated cap, guards the temperature of your drink and eliminates condensation. It keeps beverages cold for up to 24 hours and hot for up to 12 hours. So relax and enjoy your drink wherever you go
- Practical shape and sustainable construction built to last: this water bottle is made out of 18/8 pro-grade stainless steel to ensure durability, pure taste and no flavour transfer. Its colour last powder coat and cylindrical shape make it nice to hold, easy to slide in and out of a backpack and comfortable to carry
- Leakproof, BPA-Free and dishwasher safe: transport your water bottle without any worry, thanks to our leakproof flex straw cap (when closed) and practical carry strap. For your safety and comfort, this bottle is BPA-Free, Toxin-Free and dishwasher safe. Our 710 ml standard mouth bottle will keep you well-hydrated throughout the day
- 100% Customer and product satisfaction warranty: We stand behind our products and have great faith in our products. HYDRO FLASK is committed to high standards of durable and robust materials. HYDRO FLASK guarantees this product with a limited lifetime warranty against manufacturer defects

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09SBS12KG |
| Additional Features | Dishwasher Safe, Leakproof |
| Age Range Description | Adult |
| Base Diameter | 7.3 Centimeters |
| Best Sellers Rank | #85,186 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #804 in Insulated Bottles |
| Brand Name | Hydro Flask |
| Cap Type | Straw Cap |
| Capacity | 21 Fluid Ounces |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (336) |
| Global Trade Identification Number | 00810028842410 |
| Included Components | HYDRO FLASK - Water Bottle 621 ml (21 oz) with Flex Straw Cap - Vacuum Insulated Stainless Steel Reusable Water Bottle - Leakproof Lid - Hot and Cold Drinks - Standard Mouth - BPA-Free - Black |
| Is Oven Safe | No |
| Is the item dishwasher safe? | Yes |
| Is the item microwaveable? | No |
| Item Dimensions W x H | 2.83"W x 2.83"H |
| Item Height | 7.2 centimeters |
| Item Type Name | HYDRO FLASK - Water Bottle 621 ml (21 oz) with Flex Straw Cap - Vacuum Insulated Stainless Steel Reusable Water Bottle - Leakproof Lid - Hot and Cold Drinks - Standard Mouth - BPA-Free - Black |
| Item Weight | 0.32 Kilograms |
| Manufacturer | Hydro Flask |
| Manufacturer Warranty Description | Warranty |
| Material Type | Plastic |
| Model Name | HYDRO FLASK - Water Bottle 621 ml (21 oz) with Flex Straw Cap - Vacuum Insulated Stainless Steel Reusable Water Bottle - Leakproof Lid - Hot and Cold Drinks - Standard Mouth - BPA-Free - Black |
| Number of Items | 1 |
| Pattern | Solid |
| Product Care Instructions | Machine Wash |
| Recommended Uses For Product | Water |
| Theme | Sport |
| UPC | 810028842410 |
| Unit Count | 1.0 Count |
| With Lid | Yes |

## Product Details

- **Brand:** Hydro Flask
- **Capacity:** 21 Fluid Ounces
- **Color:** Black
- **Recommended Uses For Product:** Water
- **Special Feature:** Dishwasher Safe, Leakproof

## Images

![Water Bottle 621 ml (21 oz) with Flex Straw Cap - Vacuum Insulated Stainless Steel Reusable Water Bottle - Leakproof Lid - Hot and Cold Drinks - Standard Mouth - BPA-Free - Black - Image 1](https://m.media-amazon.com/images/I/41qbO5gntPL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great bottle
*by L***I on December 26, 2025*

I love this bottle—great size, fits in car cup holder, easy to clean, and it keeps drinks at the perfect temperature.

### ⭐⭐⭐⭐⭐ Light weight
*by P***T on February 18, 2026*

Keeps things very cold

### ⭐⭐⭐⭐⭐ Keeps drink cold for hours.
*by K***H on December 3, 2025*

Love the color and the size. Fits in car holder.

## Frequently Bought Together

- HYDRO FLASK - Water Bottle 621 ml (21 oz) with Flex Straw Cap - Vacuum Insulated Stainless Steel Reusable Water Bottle - Leakproof Lid - Hot and Cold Drinks - Standard Mouth - BPA-Free - Black
- Hydro Flask Flex Boot - Accessory Silicone Water Bottle Protector - Dishwasher Safe, BPA-Free, Non-Toxic Small
- Hydro Flask Standard Mouth Lids- Accessory for Standard Mouth Water Bottle

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**Shop now:** [https://www.desertcart.tn/products/487202592-water-bottle-621-ml-21-oz-with-flex-straw-cap](https://www.desertcart.tn/products/487202592-water-bottle-621-ml-21-oz-with-flex-straw-cap)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-05-06*