This Arjun bag-pack is made of 100% bee-waxed and water resistant cotton canvas on the outside while the interior is made of 100% cotton lining. The bags are environmentally-friendly, chromium-free and vegetable tanned leather. The zipper used in the bags are rugged YKK brass zipper enclosures for extra security. It has exterior and interior storage pockets. The interior contains a padded sleeve that fits mots 15" and smaller laptops/tablets. The straps are adjustable to your needs. This is a slow fashion item, designed for least environmental impact and a long life. Measurements: 18inches Length x 12.25inches Width x 4.5inches Base Care Instructions: - Wipe clean with a damp cloth. - Leather can be shined and treated with clear polish. Know your product: - Ethically made with a social mission to empower those marginalized by society to fresh starts and fulfilled lives. - The product is chromium-free. - Environment friendly with 100% bee-waxed and water resistant cotton canvas exterior. - The part of the bags such as straps are made of vegetable tanned leather. - The interior is made of 100% cotton lining.