---
product_id: 366831843
title: "Niiyen Lunch Box 900ml 1 Layer Hot Food Lunch Containers Portable Lunchbox Stackable 304 Stainless Steel Adult Bento Lunch Box Cold Food Storage Bowl for School Office Outdoor Travel"
brand: "niiyen"
price: "204 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/366831843-niiyen-lunch-box-900ml-1-layer-hot-food-lunch-containers
store_origin: PL
region: Poland
---

# Secure dual side buckle locks 900ml capacity - perfect portion control 304 stainless steel inner layer - durable & hygienic Niiyen Lunch Box 900ml 1 Layer Hot Food Lunch Containers Portable Lunchbox Stackable 304 Stainless Steel Adult Bento Lunch Box Cold Food Storage Bowl for School Office Outdoor Travel

**Brand:** niiyen
**Price:** 204 zł
**Availability:** ✅ In Stock

## Summary

> 🥡 Elevate your lunch game with style and security!

## Quick Answers

- **What is this?** Niiyen Lunch Box 900ml 1 Layer Hot Food Lunch Containers Portable Lunchbox Stackable 304 Stainless Steel Adult Bento Lunch Box Cold Food Storage Bowl for School Office Outdoor Travel by niiyen
- **How much does it cost?** 204 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/366831843-niiyen-lunch-box-900ml-1-layer-hot-food-lunch-containers)

## Best For

- niiyen enthusiasts

## Why This Product

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

## Key Features

- • **Lightweight & Portable:** Food-grade PP outer shell with a concealed double curved handle makes it your perfect on-the-go companion.
- • **Smart Vent Hole Design:** Pressure-release vent lets you open the lid smoothly without mess, maintaining freshness and convenience.
- • **Versatile Everyday Use:** Ideal for office, school, travel, or outdoor adventures—stackable and stylish for the modern professional.
- • **Effortless One-Press Locking:** Fashionable short buckle design ensures your lunch stays sealed with a simple press—no spills, no stress.
- • **Premium 304 Stainless Steel Interior:** Mirror-polished for easy cleaning and long-lasting durability, keeping your meals fresh and safe.

## Overview

The Niiyen 900ml single-layer lunch box combines a durable 304 stainless steel interior with a lightweight, heat-resistant PP exterior. Featuring secure dual side buckles, a smart vent hole for easy opening, and a concealed handle, it’s designed for professionals and travelers seeking a stylish, portable, and hygienic meal container. While not insulated for long heat retention, it keeps food fresh and mess-free for up to an hour.

## Description

Niiyen Lunch Box 900ml 1 Layer Hot Food Lunch Containers Portable Lunchbox Stackable 304 Stainless Steel Adult Bento Lunch Box Cold Food Storage Bowl for School Office Outdoor Travel

## Features

- LUNCH BOX: The single-layer lunch box has no thermal insulation layer, not recommended for keeping hot food warm. Surrounding ambient temperature is colder, the warm holding time for hot food will be shorter in an hour. When the ambient temperature is 68℉, add hot water above 203℉ into lunch box for testing, the warm holding time is about 1 hour(Recommended for children over 3 years old)
- WITH BUCKLE: The lunch box adopts a fashionable short buckle design, can be easily fastened with one press. There are safety latches on both sides of the lunch box, no need to worry that the lunch box will loosen after locked buckle.
- VENT HOLE: Bento box for adult is designed with silicone sealing ring for improving the sealing performance. Bento box also adopts vent hole design. Press and hold the vent hole to seal. Open the upper vent hole before opening the cover.
- WIDELY USED: 900ml bento boxes has portable concealed double curved handle, not only suitable for going out to use, you can also use common tableware at home. The lunch box is suitable for office workers, students, people traveling, etc.
- STAINLESS STEEL: The inner layer of bento lunch box using high quality stainless steel material, mirror polished and simple to clean. The outer layer uses food grade PP material, which is light weight and high temperature resistant

## Product Details

- **Color:** 900ml
- **Material:** Stainless Steel
- **Brand:** Niiyen
- **Age Range (Description):** Adult
- **Special Feature:** Lightweight
- **Capacity:** 900 Milliliters
- **Theme:** Food
- **Pattern:** Solid
- **Product Care Instructions:** Hand Wash Only
- **Number of Compartments:** 1

## Images

![Niiyen Lunch Box 900ml 1 Layer Hot Food Lunch Containers Portable Lunchbox Stackable 304 Stainless Steel Adult Bento Lunch Box Cold Food Storage Bowl for School Office Outdoor Travel - Image 1](https://m.media-amazon.com/images/I/61qBtbIwp8L.jpg)

## Questions & Answers

**Q: Is this machine washable?**
A: Yes it’s machine washable

**Q: Do these containers keep the food warm? If so, for how long?**
A: Hello, I'll be happy to answer your questions. These thermal insulation lunch boxes can be insulated for about 1 to 2 hours. With thermal insulation bags, it will be longer. To be honest, most insulated lunch boxes are in this range, and most of the time depends on the temperature on the day when you bring your meal with the lunch box.

**Q: Do these keep food cold and for how long?**
A: Yes, at a temperature of 77 degrees Fahrenheit, the lunch box can keep food cold at about 32 degrees Fahrenheit for about 1 hour. By the way, it will keep cold in winter for a long time, but we recommend that you don’t eat too cold food in winter. Best wish

**Q: Is a Microwave save?**
A: Hello, this is a food-grade stainless steel liner lunch box. It does not support microwave heating. If you need to heat food, please take out the food and place it in a ceramic utensil for heating.

## Frequently Bought Together

- Niiyen Lunch Box 900ml 1 Layer Hot Food Lunch Containers Portable Lunchbox Stackable 304 Stainless Steel Adult Bento Lunch Box Cold Food Storage Bowl for School Office Outdoor Travel
- Lille Home Stainless Steel Leakproof Bento Lunch Box/Metal Food Container with Insulated Lunch Bag, BPA Free, 22 Ounces, Gray

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**Shop now:** [https://www.desertcart.pl/products/366831843-niiyen-lunch-box-900ml-1-layer-hot-food-lunch-containers](https://www.desertcart.pl/products/366831843-niiyen-lunch-box-900ml-1-layer-hot-food-lunch-containers)

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-29*