---
product_id: 528291336
title: "HYDRO FLASK - Water Bottle 621 ml (21 oz) - Vacuum Insulated Stainless Steel Water Bottle with Flex Straw Cap - BPA-Free - Standard Mouth - Lupine"
brand: "hydro flask"
price: "S$73"
currency: SGD
in_stock: false
reviews_count: 13
url: https://www.desertcart.sg/products/528291336-hydro-flask-water-bottle-621-ml-21-oz-vacuum-insulated
store_origin: SG
region: Singapore
---

# Leak-proof Flex Straw Cap Keeps drinks hot 12h Keeps drinks cold 24h HYDRO FLASK - Water Bottle 621 ml (21 oz) - Vacuum Insulated Stainless Steel Water Bottle with Flex Straw Cap - BPA-Free - Standard Mouth - Lupine

**Brand:** hydro flask
**Price:** S$73
**Availability:** ❌ Out of Stock

## Summary

> 💦 Sip Boldly, Stay Cool or Warm, Wherever Life Takes You!

## Quick Answers

- **What is this?** HYDRO FLASK - Water Bottle 621 ml (21 oz) - Vacuum Insulated Stainless Steel Water Bottle with Flex Straw Cap - BPA-Free - Standard Mouth - Lupine by hydro flask
- **How much does it cost?** S$73 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/528291336-hydro-flask-water-bottle-621-ml-21-oz-vacuum-insulated)

## 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

- • **Built to Endure:** Rugged stainless steel construction resists dents and keeps flavors pure, built for your active lifestyle.
- • **Effortless Cleaning:** Dishwasher safe with durable powder coating means less time cleaning, more time living.
- • **Lifetime Confidence:** Backed by a lifetime warranty, Hydro Flask stands behind every bottle with unmatched durability.
- • **One-Handed Hydration:** Flex Straw Cap lets you sip effortlessly on the go—no spills, no hassle, just pure convenience.
- • **Ultimate Temperature Control:** Double-wall vacuum insulation locks in cold for 24 hours and heat for 12 hours, so your drink is always perfect.

## Overview

The Hydro Flask 621 ml water bottle features double-wall vacuum insulation with TempShield technology to keep beverages cold for 24 hours or hot for 12 hours. Its leak-proof Flex Straw Cap enables easy one-handed drinking, while the durable stainless steel body resists damage and preserves taste. Dishwasher safe with a powder-coated finish and backed by a lifetime warranty, this bottle is designed for active professionals who demand performance and style on the go.

## Description

We make thoughtful, beautifully designed gear that moves people. Towards nature. Towards happy. And towards each other. Because life is an adventure and we’re glad to be with you for every step, sip and smile along the way. Surrounded by mountains, rivers and lakes, HYDRO FLASK HQ is literally nestled into a Pacific Northwest wonderland– Bend, Oregon. Where we are from, is part of who we are and it’s in our DNA. It has shaped our products, people and what we’re about as a company.Not only is the outdoors our everything, but we love to share all kinds of life experiences with others, whether it's a day at the office or at the university or a yoga class. That is our purpose and our heartbeat. Whatever you need to help you be outside living your best life, we're in. The inspiration behind every product we design is Mother Nature. There’s never anything extra – every choice is made for a reason. Keep it strikingly simple. From product innovation to colour leadership - simplicity drives all.

Review: Hydro flax - Best water bottle ever stays cold and does not leak. Would definitely purchase again
Review: Great water bottle - Great water bottle. Ease of use. Lightweight. Leakproof. Easy to clean. Better than my other water bottles.

## Features

- Steel
- IDEAL DRINKING TEMPERATURE: Our double-wall vacuum-insulated bottle keeps beverages cold for up to 24 hours and hot for up to 12 hours; The TempShield technology prevents condensation and heat transfer to the outside
- BETTER DRINKING ON THE GO: With double-wall, vacuum-insulated technology, our water bottle maintains the IDEAL temperature; The leak-proof Flex Straw Lid allows for easy drinking with just one hand
- DURABLE WATER BOTTLE: Our eco-friendly, sturdy stainless steel bottle is perfect for any type of sport; The durable construction withstands everything life throws at it, while keeping the taste of your drink intact
- DISHWASHER SAFE: Our water bottles come with a powder coating that makes cleaning a breeze; Enjoy more leisure time and less work with this convenient feature
- SATISFACTION GUARANTEED: We offer a lif etime warranty against manufacturer defects; HYDRO FLASK stands behind our durable and robust materials and is committed to high standards

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BXF3DRM8 |
| Age Range (Description) | Adult |
| Base Diameter | 7.3 Centimeters |
| Batteries required | No |
| Best Sellers Rank | #641,271 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #4,560 in Insulated Bottles |
| Brand | Hydro Flask |
| Cap Type | Flex Cap |
| Capacity | 1.3 Pounds |
| Color | Lupine |
| Customer Reviews | 4.6 4.6 out of 5 stars (296) |
| Fabric Type | Steel |
| Included Components | straw, water bottle |
| Is Dishwasher Safe | Yes |
| Item Weight | 14.1 ounces |
| Item model number | S21FS474 |
| Manufacturer | HYDRO FLASK |
| Material | Stainless Steel |
| Model Name | Flex Straw |
| Number of Items | 1 |
| Pattern | Solid |
| Product Care Instructions | Dishwasher Safe |
| Product Dimensions | 2.85"W x 11.25"H |
| Recommended Uses For Product | Water |
| Special Feature | Leakproof |
| Tick-repellent material | Steel |
| UPC | 810070085780 |
| With Lid | Yes |

## Product Details

- **Brand:** Hydro Flask
- **Capacity:** 1.3 Pounds
- **Color:** Lupine
- **Recommended Uses For Product:** Water
- **Special Feature:** Leakproof

## Images

![HYDRO FLASK - Water Bottle 621 ml (21 oz) - Vacuum Insulated Stainless Steel Water Bottle with Flex Straw Cap - BPA-Free - Standard Mouth - Lupine - Image 1](https://m.media-amazon.com/images/I/31hNHMjYUkL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Hydro flax
*by A***R on September 22, 2025*

Best water bottle ever stays cold and does not leak. Would definitely purchase again

### ⭐⭐⭐⭐⭐ Great water bottle
*by B***N on August 15, 2025*

Great water bottle. Ease of use. Lightweight. Leakproof. Easy to clean. Better than my other water bottles.

### ⭐⭐⭐⭐⭐ Great everyday carry
*by C***G on January 27, 2026*

Great everyday bottle, fits in cup holders, and is very durable (have dropped many times) and no serious dents.

## Frequently Bought Together

- HYDRO FLASK - Water Bottle 621 ml (21 oz) - Vacuum Insulated Stainless Steel Water Bottle with Flex Straw Cap - BPA-Free - Standard Mouth - Lupine
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**Shop now:** [https://www.desertcart.sg/products/528291336-hydro-flask-water-bottle-621-ml-21-oz-vacuum-insulated](https://www.desertcart.sg/products/528291336-hydro-flask-water-bottle-621-ml-21-oz-vacuum-insulated)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-08*