---
product_id: 744523737
title: "Hydro Flask Standard Mouth Flex Straw Cap Black, 1 Pack (1 Pack)"
brand: "hydro flask"
price: "€ 2.98"
currency: EUR
in_stock: false
url: https://www.desertcart.es/products/744523737-hydro-flask-standard-mouth-flex-straw-cap-black-1-pack
store_origin: ES
region: Spain
---

# Fits all standard mouth Hydro Flask bottles Honeycomb insulated cap for max temp retention Removable parts for easy cleaning Hydro Flask Standard Mouth Flex Straw Cap Black, 1 Pack (1 Pack)

**Brand:** hydro flask
**Price:** € 2.98
**Availability:** ❌ Out of Stock

## Summary

> 🥤 Sip smart, stay cool, and never miss a beat with Hydro Flask Flex Straw Cap!

## Quick Answers

- **What is this?** Hydro Flask Standard Mouth Flex Straw Cap Black, 1 Pack (1 Pack) by hydro flask
- **How much does it cost?** € 2.98 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/744523737-hydro-flask-standard-mouth-flex-straw-cap-black-1-pack)

## 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

- • **Hygienic & Convenient:** Dishwasher safe with removable parts for quick, thorough cleaning—stay fresh on the go.
- • **Leak-Proof Confidence:** Secure seal ensures zero leaks, so you can carry your drink worry-free.
- • **Universal Compatibility:** Seamlessly fits all Hydro Flask standard mouth bottles for effortless hydration.
- • **Customizable Straw Length:** Easily cut the flex straw to your preferred size—hydration tailored to you.
- • **Temperature Lock Technology:** Honeycomb insulated cap maximizes cold retention, keeping drinks refreshingly chilled.

## Overview

The Hydro Flask Standard Mouth Flex Straw Cap in black is a leak-proof, insulated accessory designed to fit all standard mouth Hydro Flask bottles. Featuring a customizable straw, honeycomb insulation for superior temperature retention, and easy-to-clean removable parts, it ensures convenient, cold hydration wherever your busy lifestyle takes you.

## Description

Stay hydrated on the go with the Hydro Flask Leak Proof Insulated Flex Straw Cap. Add it to your favorite Standard Mouth Hydro Flask bottle and enjoy your cold hydration wherever you go.

## Features

- Standard Mouth Flex Straw Cap fits all Hydro Flask standard mouth bottles
- Straw is easy to cut to fit your favorite Hydro Flask
- Flex Strap is easy to carry and comfortable to carry
- Honeycomb insulated cap for maximum temperature retention
- When closed, it won't leak so you can drink and carry your drink with confidence
- BPA Free & Toxin Free
- Removable parts for easy cleaning
- Dishwasher safe
- Flex Straw Cap is not intended for use with hot liquids

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Hydro Flask |
| Model Number | SFS001 |
| Package Dimensions | 29.6 x 11.1 x 6.1 cm |
| Material | Plastic |
| Color | Black |
| Size | 18 Ounces |
| Special Features | TempShield Double Wall Vacuum Insulation |
| Package Weight | 0.13 Kilograms |
| Batteries Required | No |
| Batteries Included | No |
| Material Care Instructions | Hand Wash Only |
| Brand Name | Hydro Flask |
| Capacity | 510 g |
| Item Weight | 5 g |

## Product Details

- **Material:** Plastic
- **Color:** Black
- **Brand:** Hydro Flask
- **Style:** Flex Straw
- **Item Weight:** 5 g

## Images

![Hydro Flask Standard Mouth Flex Straw Cap Black, 1 Pack (1 Pack) - Image 1](https://m.media-amazon.com/images/I/41qezG7TIxL.jpg)
![Hydro Flask Standard Mouth Flex Straw Cap Black, 1 Pack (1 Pack) - Image 2](https://m.media-amazon.com/images/I/81OkTjPB9uL.jpg)
![Hydro Flask Standard Mouth Flex Straw Cap Black, 1 Pack (1 Pack) - Image 3](https://m.media-amazon.com/images/I/41tedJWCkeL.jpg)
![Hydro Flask Standard Mouth Flex Straw Cap Black, 1 Pack (1 Pack) - Image 4](https://m.media-amazon.com/images/I/71859tIZxvL.jpg)

## 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.

## 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.es/products/744523737-hydro-flask-standard-mouth-flex-straw-cap-black-1-pack](https://www.desertcart.es/products/744523737-hydro-flask-standard-mouth-flex-straw-cap-black-1-pack)

---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-01-23*