---
product_id: 78986515
title: "MIER Insulated Lunch Box Dual Compartment Lunch Bag Leakproof Cooler for Men Women Adult Work, Black, Medium (Upgraded Extra-Tall Bottom Layer)"
brand: "mier"
price: "¥14941"
currency: JPY
in_stock: true
reviews_count: 8
category: "Mier"
url: https://www.desertcart.jp/products/78986515-mier-insulated-lunch-box-dual-compartment-lunch-bag-leakproof-cooler
store_origin: JP
region: Japan
---

# Adjustable padded shoulder strap Leakproof PEVA liner Dual insulated compartments MIER Insulated Lunch Box Dual Compartment Lunch Bag Leakproof Cooler for Men Women Adult Work, Black, Medium (Upgraded Extra-Tall Bottom Layer)

**Brand:** mier
**Price:** ¥14941
**Availability:** ✅ In Stock

## Summary

> 🥗 Elevate your lunch game with MIER — where style meets smart freshness!

## Quick Answers

- **What is this?** MIER Insulated Lunch Box Dual Compartment Lunch Bag Leakproof Cooler for Men Women Adult Work, Black, Medium (Upgraded Extra-Tall Bottom Layer) by mier
- **How much does it cost?** ¥14941 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/78986515-mier-insulated-lunch-box-dual-compartment-lunch-bag-leakproof-cooler)

## Best For

- mier enthusiasts

## Why This Product

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

## Key Features

- • **Double Deck Design:** Keep hot and cold foods perfectly separated for fresh, delicious meals all day.
- • **Premium Insulation:** Thick foam and food-safe PEVA liner lock in temperature for hours—no soggy surprises.
- • **Versatile & Stylish:** Sleek black design fits seamlessly into your professional lifestyle—office, travel, or weekend adventures.
- • **Smart Storage Solutions:** Multiple pockets including mesh for ice packs and a transparent ID slot keep you organized and ready.
- • **Comfort Meets Durability:** Padded shoulder strap and silicone grab handle ensure effortless carrying with reinforced stitching for long-lasting use.

## Overview

The MIER Insulated Lunch Box features dual insulated compartments with a leakproof PEVA liner, designed to keep your meals hot or cold for hours. Its upgraded extra-tall bottom layer fits larger containers, while the adjustable padded shoulder strap and silicone handle provide all-day comfort. Multiple pockets offer organized storage for utensils, ice packs, and ID cards, making it the perfect sleek and durable lunch solution for busy professionals on the go.

## Description

Shop MIER at the desertcart Storage & Organization store. Free Shipping on eligible items. Everyday low prices, save up to 50%.

Review: Better than the picture ! - Hands-down, the best lunchbox I could ever ask for it’s such high-quality, perfect sized. I got the medium size
Review: Must have lunch box! :) - Awesome lunch bag for my husband, he loved it! Very spacious & good material! It’s thick not cheap.

## Features

- Double Deck Cooler: Two insulated compartments keep hot and cold foods separate. The top “dry” section (9" L × 7" W × 4" H) is ideal for snacks, fruit, and non-leaky items. The roomy bottom “cold” section (9" × 7" × 7") features a soft, leakproof PEVA liner and fits food containers up to 8" × 6" × 6". Perfect for drinks, juice, or full meals
- Insulated Lunch Bag: Thick foam insulation and a food-safe PEVA liner work together to keep meals cold, warm, or fresh for hours. Heat-welded seams prevent leaks, and the smooth interior wipes clean in seconds
- Durability & Comfort: Features an adjustable, detachable padded shoulder strap and MIER’s soft 2.0 silicone grab handle for all-day comfort. Reinforced stitching at all stress points, plus premium MIER zippers and buckles, ensures long-lasting strength and reliability
- Multiple Pockets: A front zippered pocket stores utensils and napkins. Two stretchy side mesh pockets hold small water bottles or drink. Inside the bottom compartment, a dedicated mesh pocket fits ice packs to enhance cooling. Back transparent ID pocket keeps your card visible
- Versatile Lunch Box Bag: A sleek, reusable bag built for daily commutes and office lunches, yet ready for picnics, weekend trips, travel, beach, or a day at the park. Keeps meals, snacks, and drinks fresh wherever your day takes you

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07G9YDVH8 |
| Additional Features | 2 compartments, Adjustable Shoulder Strap, Thermal and Insulated |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #4,840 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #66 in Reusable Lunch Bags |
| Brand | MIER |
| Brand Name | MIER |
| Capacity | 10 Liters |
| Closure Type | Zipper |
| Color | Black |
| Customer Reviews | 4.6 out of 5 stars 34,054 Reviews |
| Included Components | Compartment, Compartment, Pocket |
| Item Dimensions L x W x H | 9.1"L x 7.1"W x 10.6"H |
| Item Form | Bag |
| Item Weight | 0.88 Pounds |
| Manufacturer | MIER |
| Manufacturer Warranty Description | Manufacturer warranty for 2 years from the date of purchase |
| Material | Polyester |
| Material Type | Polyester |
| Number of Compartments | 1 |
| Number of Items | 1 |
| Pattern | Solid |
| Product Care Instructions | Hand Wash Only |
| Recommended Uses For Product | Office, work |
| Shape | Rectangular |
| Special Feature | 2 compartments, Adjustable Shoulder Strap, Thermal and Insulated |
| Style Name | Modern |
| Theme | Food |
| Unit Count | 1.0 Count |

## Product Details

- **Age Range (Description):** Adult
- **Brand:** MIER
- **Capacity:** 10 Liters
- **Color:** Black
- **Item Weight:** 0.88 Pounds
- **Material:** Polyester
- **Pattern:** Solid
- **Recommended Uses For Product:** Office, work
- **Special Feature:** 2 compartments, Adjustable Shoulder Strap, Thermal and Insulated
- **Theme:** Food

## Images

![MIER Insulated Lunch Box Dual Compartment Lunch Bag Leakproof Cooler for Men Women Adult Work, Black, Medium (Upgraded Extra-Tall Bottom Layer) - Image 1](https://m.media-amazon.com/images/I/81EVtdgkOuL.jpg)

## Available Options

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

## Questions & Answers

**Q: What is the manufacturer service of this lunch box?**
A: MIER offers 2 years gurranty for all the products, if a product fails because of material and workmanship, please feel free to let us know, you will get a replacement.

**Q: How long does this lunch bag keep cold?**
A: The MIER lunch bag features 7mm thick insulation walls, which could keep cold foods cooling for more than 8 hours (avoid direct sunlight), the icepacks will help to prolong the cooling time to 12 hours+.

**Q: Will this lunchbox holds its shape or collapsible?**
A: This lunchbox is not a hard structured lunchbox, but it holds its shape.

**Q: How to clean this lunch bag?**
A: The PEVA lining is easy to clean with wet cloth, the outer fabric could be clean with wet cloth or banister brush.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Better than the picture !
*by M***M on February 7, 2026*

Hands-down, the best lunchbox I could ever ask for it’s such high-quality, perfect sized. I got the medium size

### ⭐⭐⭐⭐⭐ Must have lunch box! :)
*by P***G on January 21, 2026*

Awesome lunch bag for my husband, he loved it! Very spacious & good material! It’s thick not cheap.

### ⭐⭐⭐⭐⭐ Good stitching!
*by A***R on January 10, 2026*

Nice quality with plenty of room!

## Frequently Bought Together

- MIER 2 Compartment Lunch Bag for Men Women, Leakproof Insulated Cooler Bag for Work, Black
- Cool Coolers by Fit + Fresh, Reusable & Long-Lasting Slim Ice Packs, Cold Packs for Lunch Boxes, Ice Packs for Lunch Bags
- Cool Coolers by Fit + Fresh Slim Compact Reusable XL Ice Pack, Perfect for Lunch Boxes, Coolers, and Beach Bags

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**Shop now:** [https://www.desertcart.jp/products/78986515-mier-insulated-lunch-box-dual-compartment-lunch-bag-leakproof-cooler](https://www.desertcart.jp/products/78986515-mier-insulated-lunch-box-dual-compartment-lunch-bag-leakproof-cooler)

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