Samsonite Business Expandable Leather Laptop Bag Leather - A general term for hide or skin with its original fibrous structure more or less intact, tanned or treated so as not to decompose. Leather is also made from hide or skin that has been split into layers or segments before or after tanning. Laptop compartment - Is a built-in padded compartment designed to carry your laptop computer and help protect it from shocks while traveling. Removable shoulder strap - Are designed for comfort and ease of carrying and are easy to remove and store when not needed. Non-slip shoulder pads disburse weight more evenly on your shoulder. A swivel clip at the end of the strap helps prevent twisting.