---
product_id: 401196158
title: "Hydro Flask Straw Cap for Standard Mouth Bottles, Leakproof Straw Lid"
brand: "hydro flask"
price: "€ 34.35"
currency: EUR
in_stock: true
reviews_count: 13
category: "Hydro Flask"
url: https://www.desertcart.pt/products/401196158-hydro-flask-straw-cap-for-standard-mouth-bottles-leakproof-straw
store_origin: PT
region: Portugal
---

# Leakproof seal Easy-to-trim straw Removable for cleaning Hydro Flask Straw Cap for Standard Mouth Bottles, Leakproof Straw Lid

**Brand:** hydro flask
**Price:** € 34.35
**Availability:** ✅ In Stock

## Summary

> 💦 Upgrade your sip game with leakproof ease and effortless style!

## Quick Answers

- **What is this?** Hydro Flask Straw Cap for Standard Mouth Bottles, Leakproof Straw Lid by hydro flask
- **How much does it cost?** € 34.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/401196158-hydro-flask-straw-cap-for-standard-mouth-bottles-leakproof-straw)

## 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

- • **Safe & Sustainable:** BPA-free, dishwasher safe, and built to last a lifetime.
- • **Clean Freak Approved:** Removable parts make deep cleaning effortless and hygienic.
- • **Custom Fit Hydration:** Straw trims easily to fit your exact Hydro Flask model perfectly.
- • **Leakproof Confidence:** Secure seal means zero spills—carry it anywhere, worry-free.
- • **Sip Smarter, Not Harder:** Flip straw design boosts your daily hydration game without unscrewing.

## Overview

The Hydro Flask Standard Mouth Flex Straw Cap is a durable, BPA-free replacement lid designed for standard mouth Hydro Flask bottles. Featuring a leakproof seal, an easy-to-trim straw for a custom fit, and removable components for thorough cleaning, this dishwasher-safe accessory enhances your hydration experience while ensuring long-lasting, safe use. Perfect for active professionals seeking convenience and reliability in their daily water intake.

## Description

desertcart.com : STANDARD FLEX STRAW CAP ACCESSORY BLACK : Sports & Outdoors

Review: Almost Perfect - You can't use it without the straw and you have to use the straws it comes with or it will leak, even if it seams like the same size. But other than that it's a great replacement for the usual cap. I know it sounds simple but I love it because I'm always trying to find ways to get myself to drink more water and the flip straw rather than having to unscrew the cap makes a huge difference in my water intake.
Review: This should be standard on all models. Potential health issues with the plastic lids. - This is exactly how they original lids were designed, then they went to plastic for almost all models. The plastic ones have a thin flat gasket and not an o-ring. It's super hard to get it to come out for cleaning. The plastic ones also are made of two parts that are snapped together in the factory. This is NOT a water-tight seal. So gunk gets inside and is a potential health problem. I drilled a hole in the plastic one and gray goo came out. The entire design of the plastic lids is faulty as cleaning is almost impossible. This, though, is all stainless steel. No seams or ways for water to get inside. It also has a standard o-ring that takes a second to remove and wash. This is also a normal industry-standard size. This is not a knock-off, but made by Hydro Flask/what came on the original model years ago and now is a replacement part. I think they sell one or two models with the stainless steel lid and everything else is plastic. This is a mandatory upgrade that will make your flask last 10-20 years without health issues.

## Features

- Leakproof when closed
- Straw is easy to trim to fit your favorite Hydro Flask
- Flex Strap is easy to transport and comfortable to carry
- Removable components for easy cleaning
- BPA-Free
- Dishwasher safe
- Not intended for use with hot liquids

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09D8RPYKJ |
| Best Sellers Rank | #2,904 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #54 in Water Bottle Accessories |
| Brand | Hydro Flask |
| Brand Name | Hydro Flask |
| Color | BLACK |
| Customer Reviews | 4.6 4.6 out of 5 stars (10,010) |
| Date First Available | January 19, 2022 |
| Global Trade Identification Number | 00810028842878 |
| Included Components | Water Bottle Accessory |
| Is Dishwasher Safe | Yes |
| Item Dimensions LxWxH | 2.9 x 2.3 x 3 inches |
| Item Package Dimensions L x W x H | 11.5 x 4.69 x 2.68 inches |
| Item Weight | 0.01 Pounds |
| Manufacturer | Hydro Flask |
| Material | Plastic |
| Model Name | Flex Straw Cap |
| Model Year | 2022 |
| Number of Items | 1 |
| Number of Pieces | 1 |
| Package Weight | 0.13 Kilograms |
| Part Number | SFS001 |
| Size | Standard Mouth |
| Style | Flex Straw |
| Suggested Users | unisex-adult |
| UPC | 810028842878 |
| Warranty Description | Lifetime |

## Product Details

- **Brand:** Hydro Flask
- **Color:** BLACK
- **Item Weight:** 0.01 Pounds
- **Material:** Plastic
- **Style:** Flex Straw

## Images

![Hydro Flask Straw Cap for Standard Mouth Bottles, Leakproof Straw Lid - Image 1](https://m.media-amazon.com/images/I/51rs8Q52D8L.jpg)

## Available Options

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

## Questions & Answers

**Q: Why so expensive? i can get it cheaper from hydro flask, rei, dick sporting goods, etc.**
A: Sure you can , If dick sporting goods has the same brand and style

**Q: Is this product authentic? Made by Hydroflask?**
A: Hello Robert - Wendy from Tall Ridge here - This Hydro Flask Standard Mouth Insulated Sport Cap purchased from us is authentic. We are an authorized Hydro Flask dealer. Please feel free to check us out. We want you to feel comfortable with your purchase. All Hydro Flask products purchased from us are authentic Hydro Flask products.

**Q: Does this work for the 64 oz growler?**
A: Hello James - Wendy from Tall Ridge here - The Hydro Flask 64 ounce Growler is a Wide Mouth. The Hydro Flask Insulated Sport Cap is for the Standard Mouth bottles only.

**Q: Does it fit a 21 oz?**
A: If the 21 oz bottle you have has a standard opening, not a wide opening, it should fit.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Almost Perfect
*by A***D on July 2, 2025*

You can't use it without the straw and you have to use the straws it comes with or it will leak, even if it seams like the same size. But other than that it's a great replacement for the usual cap. I know it sounds simple but I love it because I'm always trying to find ways to get myself to drink more water and the flip straw rather than having to unscrew the cap makes a huge difference in my water intake.

### ⭐⭐⭐⭐⭐ This should be standard on all models. Potential health issues with the plastic lids.
*by J***R on July 8, 2024*

This is exactly how they original lids were designed, then they went to plastic for almost all models. The plastic ones have a thin flat gasket and not an o-ring. It's super hard to get it to come out for cleaning. The plastic ones also are made of two parts that are snapped together in the factory. This is NOT a water-tight seal. So gunk gets inside and is a potential health problem. I drilled a hole in the plastic one and gray goo came out. The entire design of the plastic lids is faulty as cleaning is almost impossible. This, though, is all stainless steel. No seams or ways for water to get inside. It also has a standard o-ring that takes a second to remove and wash. This is also a normal industry-standard size. This is not a knock-off, but made by Hydro Flask/what came on the original model years ago and now is a replacement part. I think they sell one or two models with the stainless steel lid and everything else is plastic. This is a mandatory upgrade that will make your flask last 10-20 years without health issues.

### ⭐⭐⭐⭐⭐ It works
*by E***A on February 15, 2026*

Worked as described.

## Frequently Bought Together

- Hydro Flask Standard Mouth Lids- Accessory for Standard Mouth Water Bottle
- Hydro Flask Replacement Straws 3 Count (Pack of 1)
- Hydro Flask Wide Mouth Lids- Accessory for Wide Mouth Water Bottle

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**Shop now:** [https://www.desertcart.pt/products/401196158-hydro-flask-straw-cap-for-standard-mouth-bottles-leakproof-straw](https://www.desertcart.pt/products/401196158-hydro-flask-straw-cap-for-standard-mouth-bottles-leakproof-straw)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-15*