---
product_id: 264695290
title: "On The Fly BPA-Free Water Bottle Replacement Cap"
brand: "nalgene"
price: "¥5010"
currency: JPY
in_stock: true
reviews_count: 5
category: "Nalgene"
url: https://www.desertcart.jp/products/264695290-on-the-fly-bpa-free-water-bottle-replacement-cap
store_origin: JP
region: Japan
---

# High-flow contoured spout Leak-proof locking bail One-handed push button On The Fly BPA-Free Water Bottle Replacement Cap

**Brand:** nalgene
**Price:** ¥5010
**Availability:** ✅ In Stock

## Summary

> 💧 Stay hydrated, stay unstoppable with Nalgene’s leak-proof innovation!

## Quick Answers

- **What is this?** On The Fly BPA-Free Water Bottle Replacement Cap by nalgene
- **How much does it cost?** ¥5010 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/264695290-on-the-fly-bpa-free-water-bottle-replacement-cap)

## Best For

- nalgene enthusiasts

## Why This Product

- Trusted nalgene brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **High-Flow Contoured Spout:** Stay refreshed fast with a wide, easy-to-fill design
- • **BPA-Free & Dishwasher Safe:** Safe, clean hydration that fits your busy lifestyle
- • **Compact & Lightweight Design:** Carry convenience anywhere — just 4.8 oz of pure efficiency
- • **Secure Leak-Proof Locking Bail:** Lock in hydration without a single drop escaping
- • **Effortless One-Handed Operation:** Open and close with a simple push, perfect for multitasking pros

## Overview

The Nalgene On The Fly BPA-Free Replacement Cap features a leak-proof locking bail and a high-flow contoured spout for quick hydration. Designed for one-handed use with a push-button mechanism, it’s dishwasher safe and BPA-free, weighing just 4.8 oz. Perfect for active professionals seeking reliable, easy hydration on the go.

## Description

Nalgene's newest leak-proof loop-top swings open wide to reveal a contoured, high-flow drinking spout that's easy to fill at the fountain or sink. One-handed push button for easy open/close; locking bail for ultimate insurance against leaks. Dishwasher safe. BPA Free. 24 oz. Wt: 4.8 oz.

Review: Ottimo prodotto è da più di un anno che lo uso quotidianamente e la chiusura è esattamente come il primo giorno. Approvato!
Review: Joa, was soll ich sagen, der Deckel hält dicht, und lässt sich wie gewohnt einfach öffen und schließen

## Features

- Product Type: Bottle
- Package Dimensions: 7.366 L X 6.096 W X 6.858 H (Cm)
- Package Weight: 0.100 Pounds
- Country Of Origin: United States

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B007S3PBNI |
| Batteries Included? | No |
| Best Sellers Rank | #54,683 in Sporting Goods ( See Top 100 in Sporting Goods ) #760 in Sports Water Bottle Accessories |
| Brand | Nalgene |
| Color | Blue |
| Customer Reviews | 4.5 4.5 out of 5 stars (483) |
| Date First Available | 29 September 2013 |
| Department | unisex-adult |
| Height | 4 inches |
| Included Components | Nalgene On The Fly Cap Water Bottles |
| Is Discontinued By Manufacturer | No |
| Item model number | 341895 |
| Length | 2.5 inches |
| Manufacturer | NALGENE |
| Material Type | Plastic |
| Number of Items | 1 |
| Number of Pieces | 1 |
| Product Dimensions | 7.37 x 6.86 x 6.1 cm; 36.29 g |
| Shape | Round |
| Size | One Size |
| Sport | Cycling |
| Style | Compact |
| Weight | 1 Pounds |
| Width | 2.5 inches |

## Product Details

- **Brand:** Nalgene
- **Colour:** Blue
- **Material:** Plastic
- **Product dimensions:** 7.4L x 6.9W centimeters
- **Style:** Compact

## Images

![On The Fly BPA-Free Water Bottle Replacement Cap - Image 1](https://m.media-amazon.com/images/I/61sHbJmiUxL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by T***I on 17 August 2025*

Ottimo prodotto è da più di un anno che lo uso quotidianamente e la chiusura è esattamente come il primo giorno. Approvato!

### ⭐⭐⭐⭐⭐ Review
*by C***4 on 31 May 2025*

Joa, was soll ich sagen, der Deckel hält dicht, und lässt sich wie gewohnt einfach öffen und schließen

### ⭐⭐⭐⭐⭐ Review
*by D***A on 14 June 2023*

Me encanta pues ya no tenía tapa mi botella

## Frequently Bought Together

- Nalgene On The Fly BPA-Free Water Bottle Replacement Cap
- Nalgene Sustain Tritan BPA-Free On The Fly Water Bottle Made with Material Derived from 50% Plastic Waste
- Nalgene Sustain Tritan BPA-Free Water Bottle Made with Material Derived From 50% Plastic Waste (using ISCC certified mass balance), 32 OZ, Wide Mouth

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**Shop now:** [https://www.desertcart.jp/products/264695290-on-the-fly-bpa-free-water-bottle-replacement-cap](https://www.desertcart.jp/products/264695290-on-the-fly-bpa-free-water-bottle-replacement-cap)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-16*