---
product_id: 482114095
title: "Hydro Flask - Standard Mouth Leak Proof Flex Cap"
brand: "hydro flask"
price: "$1.88"
currency: USD
in_stock: false
reviews_count: 4
url: https://www.desertcart.us/products/482114095-hydro-flask-standard-mouth-leak-proof-flex-cap
store_origin: US
region: United States of America
---

# 100% leakproof seal Keeps drinks hot up to 12h Keeps drinks cold up to 24h Hydro Flask - Standard Mouth Leak Proof Flex Cap

**Brand:** hydro flask
**Price:** $1.88
**Availability:** ❌ Out of Stock

## Summary

> 💧 Flex your hydration game with leakproof style!

## Quick Answers

- **What is this?** Hydro Flask - Standard Mouth Leak Proof Flex Cap by hydro flask
- **How much does it cost?** $1.88 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/482114095-hydro-flask-standard-mouth-leak-proof-flex-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

- • **Safe & Sustainable:** BPA-free, toxin-free, and built to last with a lifetime warranty—hydrate responsibly.
- • **Leakproof Confidence:** No spills, no stress—perfect for your busiest days and wildest trips.
- • **Universal Compatibility:** Fits all Standard Mouth Hydro Flask bottles—one cap to rule them all.
- • **Durable & Flexible Design:** Stainless steel pivots with a flexible strap for effortless carrying on every adventure.
- • **All-Day Temperature Control:** Honeycomb Insulation™ locks in cold for 24 hours and heat for 12—stay refreshed or cozy all day.

## Overview

The Hydro Flask Standard Mouth Leak Proof Flex Cap is a durable, BPA-free accessory designed to fit all Standard Mouth bottles. Featuring Honeycomb Insulation™, it keeps beverages cold for up to 24 hours and hot for up to 12 hours. Its stainless steel pivots and flexible strap ensure easy carrying, while the leakproof design guarantees no spills during travel, camping, or hiking. Backed by a lifetime warranty, this cap combines functionality with lasting quality.

## Description

Accompanies you wherever you go. Robust yet adaptable, our Standard Mouth Flex Cap is your ideal partner for impromptu camping trips, grand road adventures, and all points in between. Crafted with stainless steel pivots and a convenient carrying strap, this cap boasts Honeycomb Insulation to help maintain your drinks' temperature, cold for up to 24 hours or hot for up to 12. Compatible with any of our Standard Mouth bottles.

Review: Love - Works as intended. Was so sad when my hydroflask bottle cover cracked and so glad I could get a replacement. Also love that it comes in different colors
Review: Horrible fit! - Don’t recommend

## Features

- Compatible with all Standard Mouth bottles
- Honeycomb Insulation helps keep cold drinks cold and hot drinks hot
- Durable, stainless steel pivots allow the strap to move easily
- Leakproof
- BPA-Free & Toxin-Free Free from toxins, free from worry.
- Top rack dishwasher safe

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09PMXBF82 |
| Additional Features | Leakproof |
| Age Range Description | All Ages |
| Best Sellers Rank | #1,501,364 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #17,973 in Water Bottle Accessories |
| Brand Name | Hydro Flask |
| Capacity | 1.5 Pounds |
| Color | Pacific |
| Customer Reviews | 4.8 4.8 out of 5 stars (107) |
| Global Trade Identification Number | 00810070080648 |
| Included Components | Water Bottle Accessory |
| Item Height | 14.1 centimeters |
| Item Type Name | Water Bottle Accessory |
| Item Weight | 0.05 Kilograms |
| Manufacturer | Hydro Flask |
| Manufacturer Warranty Description | Lifetime |
| Material Type | Plastic |
| Model Name | Flex Cap discontinued |
| Number of Items | 1 |
| Product Care Instructions | Hand Wash Only |
| Recommended Uses For Product | Travel, Camping, Hiking |
| UPC | 810070080648 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Hydro Flask
- **Capacity:** 1.5 Pounds
- **Color:** Pacific
- **Recommended Uses For Product:** Travel, Camping, Hiking
- **Special Feature:** Leakproof

## Images

![Hydro Flask - Standard Mouth Leak Proof Flex Cap - Image 1](https://m.media-amazon.com/images/I/51zqrF2jYXL.jpg)
![Hydro Flask - Standard Mouth Leak Proof Flex Cap - Image 2](https://m.media-amazon.com/images/I/61CTByWrhjL.jpg)
![Hydro Flask - Standard Mouth Leak Proof Flex Cap - Image 3](https://m.media-amazon.com/images/I/810J3ppT5yL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Love
*by K***I on March 31, 2024*

Works as intended. Was so sad when my hydroflask bottle cover cracked and so glad I could get a replacement. Also love that it comes in different colors

### ⭐⭐⭐⭐⭐ Horrible fit!
*by M***M on August 25, 2023*

Don’t recommend

### ⭐⭐⭐⭐⭐ Fantastic
*by S***K on September 18, 2022*

Replaced a lost lid / works great

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**Shop now:** [https://www.desertcart.us/products/482114095-hydro-flask-standard-mouth-leak-proof-flex-cap](https://www.desertcart.us/products/482114095-hydro-flask-standard-mouth-leak-proof-flex-cap)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-18*