- colour: black 100% natural vegetable tanned cow leather, cotton canvas lining, bright steel hardware dimensions: height 49 (while extended: 54) width 33, depth 15, straps width 4,5 Our backpack is called MASA. It’s suitable for everyday use. For work- inside a padded laptop compartment for 15” laptop. MASA is also functional in a trip- MASA adapts its size, you can fill up to the brim. * Please note that leather is a diversified material, therefore each piece is unique. this leather changes over time, from year to year it darkens and gains nobility.