---
product_id: 429977761
title: "EcoVessel BOULDER, 20OZ (591 ML)"
brand: "ecovessel"
price: "¥9318"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/429977761-ecovessel-boulder-20oz-591-ml
store_origin: JP
region: Japan
---

# Removable tea, fruit & ice strainer Keeps drinks hot up to 12 hours Keeps drinks cold up to 60 hours EcoVessel BOULDER, 20OZ (591 ML)

**Brand:** ecovessel
**Price:** ¥9318
**Availability:** ✅ In Stock

## Summary

> 💧 Stay cool or hot, always in style with the Boulder bottle!

## Quick Answers

- **What is this?** EcoVessel BOULDER, 20OZ (591 ML) by ecovessel
- **How much does it cost?** ¥9318 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/429977761-ecovessel-boulder-20oz-591-ml)

## Best For

- ecovessel enthusiasts

## Why This Product

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

## Key Features

- • **Dual Opening Lid:** Wide mouth for easy fill, small mouth for sip-perfect hydration
- • **Leakproof & Durable:** Secure seal with silicone bumper for drop protection
- • **Fits Most Cupholders:** Sleek 3-inch diameter designed for your daily commute
- • **Reflecta™ Insulated Lid:** No plastic contact, pure taste guaranteed
- • **TriMax® Triple Insulation:** Unrivaled temperature retention for all-day refreshment

## Overview

The EcoVessel BOULDER 20oz water bottle features premium 18/8 stainless steel construction with TriMax® triple insulation technology, keeping beverages cold for up to 60 hours or hot for up to 12 hours. Its Reflecta™ insulated lid prevents drinks from touching plastic, while a dual opening lid offers versatile drinking options. The bottle includes a removable strainer for infusing tea, fruit, or ice, is leakproof, and fits most cupholders, making it the perfect companion for work, gym, or outdoor adventures.

## Description

The BOULDER vacuum insulated water bottle is our flagship bottle that will keep your drinks hot or cold all day long. Made from premium 18/8 stainless steel, it features our signature TriMax® triple insulation and keeps drinks cold up to 60 hours and hot up to 12 hours. The Reflecta™ lid is insulated and lined with stainless steel, enhancing temperature retention and preventing drinks from ever touching plastic. This dual opening lid is easy to grip, has a wide mouth for easy filling, and a soft silicone spout for a comfortable drinking experience. The lid is securely attached to a sturdy carrying strap, so you always know where it is, and the leak proof seal keeps your drinks in the bottle - where they belong. The BOULDER stainless steel water bottle also includes a removable strainer for tea, fruit, and ice cubes. The fitted silicone bumper adds protection against everyday drops. Plus, choosing a reusable water bottle cuts down on single-use plastic consumption. There’s nothing the BOULDER doesn’t offer! Keep the BOULDER in your car cup holder or toss it into a tote and bring it to the gym, on the trails, or to work to stay healthily hydrated through the day.

## Features

- TriMax Triple Insulation to keep drinks cold up to 60 hours and hot up to 12 hours
- Reflecta Insulated Lid ensures that drinks don't touch plastic
- Tea, fruit, & ice strainer to infuse your drinks with flavor and block ice
- Dual opening lid features a wide mouth for easy filling and a small mouth for drinking
- 3 inches in diameter and fits most cupholders

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | EcoVessel |
| Model Number | B09RTLXSJL_CA NARF |
| Color | Nightfall Navy |
| Product Dimensions | 12 x 7.7 x 25.1 cm; 440 g |
| Capacity | 20 Fluid Ounces |
| Material | Aluminium Plastic |
| Special Features | Leakproof |
| Item Weight | 440 g |

## Product Details

- **Brand:** EcoVessel
- **Capacity:** 20 Fluid Ounces
- **Colour:** Nightfall Navy
- **Recommended uses for product:** Tea
- **Special features:** Leakproof

## Images

![EcoVessel BOULDER, 20OZ (591 ML) - Image 1](https://m.media-amazon.com/images/I/61K61lLKJTL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.jp/products/429977761-ecovessel-boulder-20oz-591-ml](https://www.desertcart.jp/products/429977761-ecovessel-boulder-20oz-591-ml)

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