---
product_id: 652270220
title: "40 Oz Wide Mouth Flex Straw Cap Fossil"
brand: "hydro flask"
price: "S$76"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/652270220-40-oz-wide-mouth-flex-straw-cap-fossil
store_origin: SG
region: Singapore
---

# Leakproof Flex Straw Cap Dishwasher safe durability 24H cold retention 40 Oz Wide Mouth Flex Straw Cap Fossil

**Brand:** hydro flask
**Price:** S$76
**Availability:** ✅ In Stock

## Summary

> 💧 Sip in style, stay cool all day!

## Quick Answers

- **What is this?** 40 Oz Wide Mouth Flex Straw Cap Fossil by hydro flask
- **How much does it cost?** S$76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/652270220-40-oz-wide-mouth-flex-straw-cap-fossil)

## 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

- • **Clean & Ready to Go:** Dishwasher safe design means your Hydro Flask stays vibrant and ready for every adventure.
- • **Built for the Hustle:** Lightweight yet durable 40 oz capacity fits your active routine without weighing you down.
- • **Sip Smart, Hands-Free:** Effortlessly hydrate on the go with the easy one-hand flip straw design—no spills, no fuss.
- • **Pure Taste, Every Time:** Pro-grade stainless steel ensures no flavor transfer, so your water tastes fresh all day long.
- • **All-day Chill, Zero Spill:** Keep your drink icy cold for 24 hours with a leakproof straw cap that fits your busy lifestyle.

## Overview

The Hydro Flask 40 oz Wide Mouth Flex Straw Cap in Fossil combines double-wall vacuum insulation with a leakproof straw cap to keep beverages cold for up to 24 hours. Crafted from durable stainless steel, it ensures pure taste without flavor transfer. Lightweight and dishwasher safe, this bottle is designed for professionals who demand convenience, style, and performance in their hydration gear.

## Description

A 40 oz Wide Mouth water bottle with Hydro Flask's leakproof Flex Straw Cap—easy to fill, easy to drink. Open it up, add your ice, and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours.

## Features

- THE BEST BOTTLE: A 40 oz Wide Mouth water bottle with Hydro Flask's leakproof Flex Straw Cap—easy to fill, easy to drink. Open it up, add your ice, and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours.
- 24 HOURS COLD: Double-wall vacuum insulation keeps drinks hot or cold for hours. The insulated water bottle keeps beverages cold for 24 hours. The TempShield insulation keeps drinks cold all day.
- LEAKPROOF: Say goodbye to leaky water bottles. The Flex Straw Cap is leakproof when closed. Simply close it shut and toss it into your bag without worry. Sip effortlessly with one hand, thanks to the easy-to-use straw design. Click it shut, and rest easy knowing your drink stays securely sealed all day.
- PURE TASTE: Durable pro-grade stainless steel ensures pure taste and no leftover flavor transfer. So, today's water won't have any taste of yesterday's iced tea.
- DISHWASHER SAFE: Easy to use and easy to clean, just dissasembler the straw lid and toss the lid and bottles into the dishwasher. Designed to keep bright color, being dishwasher safe means your favorite Hydro Flask is always at-the-ready.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Hydro Flask |
| Model Number | W40BFS162 |
| Color | Fossil |
| Product Dimensions | 14.61 x 14.61 x 22.86 cm; 639.57 g |
| Capacity | 1.13 kg |
| Material | Stainless Steel |
| Special Features | Vacuum Insulated |
| Item Weight | 640 g |

## Product Details

- **Brand:** Hydro Flask
- **Capacity:** 1.13 kg
- **Colour:** Fossil
- **Recommended uses for product:** Water
- **Special features:** Vacuum Insulated

## Images

![40 Oz Wide Mouth Flex Straw Cap Fossil - Image 1](https://m.media-amazon.com/images/I/71VD1Zw9ykL._AC_UL320_.jpg)
![40 Oz Wide Mouth Flex Straw Cap Fossil - Image 2](https://m.media-amazon.com/images/I/71VD1Zw9ykL._AC_UL480_FMwebp_QL65_.jpg)
![40 Oz Wide Mouth Flex Straw Cap Fossil - Image 3](https://m.media-amazon.com/images/I/71VD1Zw9ykL._AC_UL640_FMwebp_QL65_.jpg)
![40 Oz Wide Mouth Flex Straw Cap Fossil - Image 4](https://m.media-amazon.com/images/I/71VD1Zw9ykL._AC_UL800_FMwebp_QL65_.jpg)
![40 Oz Wide Mouth Flex Straw Cap Fossil - Image 5](https://m.media-amazon.com/images/I/71VD1Zw9ykL._AC_UL960_FMwebp_QL65_.jpg)

## Available Options

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

## Frequently Bought Together

- HYDRO FLASK Wide Mouth vacuum insulated stainless steel water bottle with leakproof closeable straw lid for cold water drinks, sports, travel, car and school
- Hydro Flask Flex Boot - Accessory Silicone Water Bottle Protector - Dishwasher Safe, BPA-Free, Non-Toxic
- Hydro Flask Travel Tumbler Stainless Steel Insulated Cup with Lid and Straw for Cold Water and Drinks for Sports, School, Work, Car, Travel and Weekends

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**Shop now:** [https://www.desertcart.sg/products/652270220-40-oz-wide-mouth-flex-straw-cap-fossil](https://www.desertcart.sg/products/652270220-40-oz-wide-mouth-flex-straw-cap-fossil)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-23*