Matein 133100BLK Business Backpack User Guide
Quick guide for the Matein 133100BLK business backpack, covering product specifications, dimensions, usage tips, and warranty information.
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Jump to the sectionQuick guide from the manual
This document provides essential information regarding the Matein 133100BLK and 133101BLK business backpacks. It covers product specifications, size references, and care instructions to ensure optimal use and longevity of the product.
Product description
The Matein business backpack is designed for professionals and students, featuring a water-resistant polyester construction. It includes an integrated charging port for convenient device charging on the go.

Usage tips
- Zipper placement: To prevent the pocket from opening accidentally, do not leave the zippers at the very top of the backpack.
- Weather protection: The material is water-resistant and suitable for light drizzle. Do not expose the backpack to heavy rain for extended periods without an additional rain cover.
Product dimensions and capacity
The backpack is available in two sizes:

- Large: 18.2 x 12.2 x 8.1 inches, 30L capacity, 1.98 lbs. Suitable for laptops up to 15.6 inches. Does not feature TSA design.
- Extra Large: 19.2 x 13.8 x 8.3 inches, 35L capacity, 2.2 lbs. Suitable for laptops up to 17.3 inches. Features TSA-friendly design.
After sales service
Matein provides a lifetime warranty covering non-human product damage. For support, contact the team via Amazon or email [email protected].
Manufacturer information
MATEIN
Practical help
Common problems
Ensure zippers are not positioned at the very top of the backpack.
The bag is water-resistant, not waterproof. Use a rain cover during heavy rain.
Before use
- Verify your laptop size (up to 15.6 inch for Large, up to 17.3 inch for Extra Large).
- Check zipper functionality before packing.
- Ensure the charging port cable is properly connected inside.
Specs in practice
- Water Resistant Polyester
- Protects against light rain/drizzle; not suitable for submersion or heavy downpours.
Images and diagrams
- The manual includes visual references for how the backpack fits on individuals of different heights (5.25 ft to 6.04 ft).
- Diagrams illustrate the external dimensions and the location of the charging port.
Model compatibility
- Large model fits laptops up to 15.6 inches.
- Extra Large model fits laptops up to 17.3 inches.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.