---
product_id: 115800518
title: "Hydro Flask Standard Mouth Lids- Accessory for Standard Mouth Water Bottle"
brand: "hydro flask"
price: "¥65"
currency: JPY
in_stock: false
reviews_count: 13
url: https://www.desertcart.jp/products/115800518-hydro-flask-standard-mouth-lids-accessory-for-standard-mouth-water
store_origin: JP
region: Japan
---

# 100% leakproof seal Top-rack dishwasher safe BPA & toxin-free polypropylene Hydro Flask Standard Mouth Lids- Accessory for Standard Mouth Water Bottle

**Brand:** hydro flask
**Price:** ¥65
**Availability:** ❌ Out of Stock

## Summary

> 💧 Sip smarter, stay hydrated, and never miss a beat with Hydro Flask’s leakproof flex cap!

## Quick Answers

- **What is this?** Hydro Flask Standard Mouth Lids- Accessory for Standard Mouth Water Bottle by hydro flask
- **How much does it cost?** ¥65 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/115800518-hydro-flask-standard-mouth-lids-accessory-for-standard-mouth-water)

## 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 Last:** Durable stainless steel pivots ensure smooth strap movement and a lifetime of use.
- • **Health-First Design:** Made from BPA-free, toxin-free materials with easy-to-clean o-ring seals for worry-free hydration.
- • **Effortless Hydration:** Flip-open flex cap lets you sip without unscrewing, boosting your daily water intake.
- • **Universal Compatibility:** Fits all Hydro Flask Standard Mouth bottles—upgrade your bottle without hassle.
- • **Dishwasher Safe Convenience:** Top-rack dishwasher safe for quick, hygienic cleaning that fits your busy lifestyle.

## Overview

The Hydro Flask Standard Mouth Flex Cap is a premium replacement lid designed for all Standard Mouth bottles. Crafted from 100% BPA-free polypropylene with stainless steel pivots, it offers a leakproof, durable, and hygienic hydration solution. Its flip-open design encourages more frequent sipping, while the dishwasher-safe construction ensures effortless cleaning. Backed by a lifetime warranty, this cap is the essential upgrade for active professionals who demand both style and function.

## Description

The Hydro Flask Standard Mouth Flex Cap is the ideal combination of strength and flexibility. Designed for ultimate portability, we crafted every detail with easy-carry comfort in mind and insulated it too, so you can go further, for longer, keeping your favorite beverage comfortably by your side. Compatible with all Standard Mouth Hydro Flask Water Bottles, the Hydro Flask lid features Honeycomb insulation to help keep cold drinks cold and hot drinks hot. Whether you’re out in nature or stuck in the office, it’s always a good idea to have an extra water bottle lid for your Hydro Flask. Maintain the temperature of your contents longer, so you can stay busy and get more done. An insulated water bottle cap to match your insulated water bottle. This Hydro Flask product is backed by a manufacturer's lifetime warranty.

Review: Perfect fit for my bottle - Lost my old lid and this was a perfect fit for my bottle! They seal tightly, preventing any leaks, which gives me peace of mind when I toss my bottle in my bag. The wide mouth makes it easy to fill and clean, and the lid itself is durable and well-designed. I love the convenient carry handle, making it easy to take on the go. These lids have definitely enhanced my Hydro Flask experience, and I couldn’t be happier with the quality. Good to know I can find replacements if I lose them!
Review: Fits perfect - Fits. No issue

## Features

- Body: 100% polypropylene, swivel: stainless steel
- Imported
- 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 | B06XPN4SFK |
| Best Sellers Rank | #28,885 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #538 in Water Bottle Accessories |
| Brand | Hydro Flask |
| Brand Name | Hydro Flask |
| Closure Type | Snap |
| Color | Black |
| Customer Reviews | 4.7 out of 5 stars 1,537 Reviews |
| Global Trade Identification Number | 00810497026885 |
| Included Components | Lid |
| Is the item dishwasher safe? | Yes |
| Is the item microwaveable? | No |
| Item Type Name | Cap |
| Item Weight | 3.95 g |
| Manufacturer | Hydro Flask |
| Manufacturer Part Number | SFX001 |
| Manufacturer Warranty Description | LIFETIME |
| Material | Polypropylene |
| Material Type | Polypropylene |
| Model Number | SFX001 |
| Number of Pieces | 1 |
| Product Style | Flex Cap |
| Shape | Rectangular |
| Style | Flex Cap |
| UPC | 810497026885 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Hydro Flask
- **Color:** Black
- **Item Weight:** 0.01 Pounds
- **Material:** Polypropylene
- **Style:** Flex Cap

## Images

![Hydro Flask Standard Mouth Lids- Accessory for Standard Mouth Water Bottle - Image 1](https://m.media-amazon.com/images/I/71bOvid74NL.jpg)
![Hydro Flask Standard Mouth Lids- Accessory for Standard Mouth Water Bottle - Image 2](https://m.media-amazon.com/images/I/4180q5VrOtL.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

### ⭐⭐⭐⭐⭐ Perfect fit for my bottle
*by T***H on August 12, 2024*

Lost my old lid and this was a perfect fit for my bottle! They seal tightly, preventing any leaks, which gives me peace of mind when I toss my bottle in my bag. The wide mouth makes it easy to fill and clean, and the lid itself is durable and well-designed. I love the convenient carry handle, making it easy to take on the go. These lids have definitely enhanced my Hydro Flask experience, and I couldn’t be happier with the quality. Good to know I can find replacements if I lose them!

### ⭐⭐⭐⭐⭐ Fits perfect
*by J***Y on March 4, 2026*

Fits. No issue

### ⭐⭐⭐⭐⭐ Good cap!
*by A***Y on April 30, 2026*

I needed to replace the straw lid with a screw on cap to avoid leakage when traveling overseas. This definitely did the trick.

## Frequently Bought Together

- Hydro Flask Standard Mouth Lids- Accessory for Standard Mouth Water Bottle
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**Shop now:** [https://www.desertcart.jp/products/115800518-hydro-flask-standard-mouth-lids-accessory-for-standard-mouth-water](https://www.desertcart.jp/products/115800518-hydro-flask-standard-mouth-lids-accessory-for-standard-mouth-water)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-06-19*