---
product_id: 145737716
title: "Lunch Bag Insulated Cooler Bag Large Lunch Box Picnic Bag Leak Proof with Adjustable Shoulder Strap, Lunch Kit for Camping, Fishing, Barbecues, 18L (Black)"
brand: "upstartech"
price: "€ 12.78"
currency: EUR
in_stock: false
url: https://www.desertcart.sk/products/145737716-lunch-bag-insulated-cooler-bag-large-lunch-box-picnic-bag
store_origin: SK
region: Slovakia
---

# Adjustable shoulder strap for easy carry Triple-layer waterproof & leak-proof Keeps food cold or warm 5-6 hrs Lunch Bag Insulated Cooler Bag Large Lunch Box Picnic Bag Leak Proof with Adjustable Shoulder Strap, Lunch Kit for Camping, Fishing, Barbecues, 18L (Black)

**Brand:** upstartech
**Price:** € 12.78
**Availability:** ❌ Out of Stock

## Summary

> 🥗 Stay fresh, stay cool, and never miss a bite!

## Quick Answers

- **What is this?** Lunch Bag Insulated Cooler Bag Large Lunch Box Picnic Bag Leak Proof with Adjustable Shoulder Strap, Lunch Kit for Camping, Fishing, Barbecues, 18L (Black) by upstartech
- **How much does it cost?** € 12.78 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/145737716-lunch-bag-insulated-cooler-bag-large-lunch-box-picnic-bag)

## Best For

- upstartech enthusiasts

## Why This Product

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

## Key Features

- • **Thermal Mastery:** Advanced 3-layer insulation locks in temperature for up to 6 hours—hot or cold, your food stays perfect.
- • **Dual-Zone Design:** Separate compartments keep snacks and meals fresh and organized—no flavor crossover.
- • **Comfort on the Go:** Breathable honeycomb mesh back and adjustable shoulder strap make carrying a breeze during your busiest days.
- • **Generous Capacity:** Spacious 18L interior fits everything from picnic feasts to daily lunches without bulk.
- • **Waterproof Warrior:** Durable 600D polyester with EVA and PVC coating ensures zero leaks and effortless cleaning.

## Overview

The Upstartech 18L insulated lunch bag combines premium 3-layer thermal insulation with waterproof, leak-proof materials to keep your meals fresh for 5-6 hours. Featuring dual compartments, a breathable mesh back, and an adjustable shoulder strap, this lightweight yet durable cooler bag is perfect for professionals on the move, outdoor adventures, and everyday use.

## Description

This lunch bag adopts three layers design that include 600D polyester, aluminum clad laminated and expandable polyethylene(EVA). which has the great thermal insulation and prevent temperature exchange. waterproof inside and durable. great for picnic, BBQ, campaign and other out-door activities.Feature：Food-grade insulation aluminum layer inner for great thermal insulationCreate zippered Front side pocket to keep more storageWaterproof leak-proof EVA lining, durable easy to clean and securityAdjusable adjustable shoulder strap help you carry easilyLarge capacity it can hold about 18 LSpecifications：Material: 600D polyester, EVA lining and polyethyleneClosure Type: ZipperSize: (L*W*H) 26 * 19.5 * 37 cm / 9.4*6.1*7 inchCapacity:10-25 LWeight: 450g

## Features

- Thermal Insulation: out surface of the lunch bag adopts waterproof oxford fabric, aluminum clad EVA and 5mm polyethylene foam liner ensure it has a great hermal insulation. that food and drinks can be kept warm or cool for 5 - 6 hours.
- Waterproof Durable: the insulation is made of three layers, there is polyester layer waterproof insulation EVA layer, and PVC coating on the sides of the fabric. the multi waterproof layers ensure it is absolutely waterproof durable and safe non-toxic.
- Multifunction: the lunch bag has 2 sections that can keep cold and warm items separately, the small section is used for storaging fruit snacks and cookies etc, and the square bottom is used for storaging lunches,sandwichdrinks, frozen food and dairy products etc.
- Breathable and Portable: the back of the lunch bag adoptts the breathable honecomb mesh design, that ensure it is breathable and lighweight. and the adjustable shoulder strap makes it convenient to carry and hold.
- Easy to Clean: Wipe down the lunch bag with the warm soapy water or washing up liquidand, please not to use abrasive materials for cleaning or machine washing.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | upstartech |
| Model Number | B-8 |
| Colour | Black |
| Package Dimensions | 41 x 28.2 x 9.4 cm; 540 g |
| Capacity | 18 litres |
| Material | Aluminium, Ethylene Vinyl Acetate, Polyester |
| Special Features | Adjustable Shoulder Stra, Leak Resistant |
| Item Weight | 540 g |

## Product Details

- **Colour:** Black
- **Material:** Aluminium, Ethylene Vinyl Acetate, Polyester
- **Brand:** upstartech
- **Age range (description):** Adult
- **Special feature:** Adjustable Shoulder Stra, Leak Resistant
- **Capacity:** 18 litres
- **Theme:** Food
- **Pattern:** Solid
- **Product care instructions:** Hand Wash Only
- **Included components:** Bag

## Images

![Lunch Bag Insulated Cooler Bag Large Lunch Box Picnic Bag Leak Proof with Adjustable Shoulder Strap, Lunch Kit for Camping, Fishing, Barbecues, 18L (Black) - Image 1](https://m.media-amazon.com/images/I/71wjS88+GtL.jpg)
![Lunch Bag Insulated Cooler Bag Large Lunch Box Picnic Bag Leak Proof with Adjustable Shoulder Strap, Lunch Kit for Camping, Fishing, Barbecues, 18L (Black) - Image 2](https://m.media-amazon.com/images/I/71F39qWTPDL.jpg)
![Lunch Bag Insulated Cooler Bag Large Lunch Box Picnic Bag Leak Proof with Adjustable Shoulder Strap, Lunch Kit for Camping, Fishing, Barbecues, 18L (Black) - Image 3](https://m.media-amazon.com/images/I/71M7Sx-XQAL.jpg)
![Lunch Bag Insulated Cooler Bag Large Lunch Box Picnic Bag Leak Proof with Adjustable Shoulder Strap, Lunch Kit for Camping, Fishing, Barbecues, 18L (Black) - Image 4](https://m.media-amazon.com/images/I/71loNEm6rgL.jpg)
![Lunch Bag Insulated Cooler Bag Large Lunch Box Picnic Bag Leak Proof with Adjustable Shoulder Strap, Lunch Kit for Camping, Fishing, Barbecues, 18L (Black) - Image 5](https://m.media-amazon.com/images/I/71Wp0gVDv4L.jpg)

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**Shop now:** [https://www.desertcart.sk/products/145737716-lunch-bag-insulated-cooler-bag-large-lunch-box-picnic-bag](https://www.desertcart.sk/products/145737716-lunch-bag-insulated-cooler-bag-large-lunch-box-picnic-bag)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-25*