Material: Leather: This men's briefcase is made of 100% full-grain leather. Zipper: We only use YKK zippers to ensure quality and reliability.Hardware: We use one-time casting and non-splicing technology to ensure its durability. Lining: Made of soft cotton cloth.Dimensions: size 42 cm x 31 cm x10cm; net weight 1.5 kg/3.3 lbs. This bag is suitable for a 15.6-inch laptop for business travel.Laptop pad: The laptop pad is suitable for 14-15.6 inch laptops. The other compartment fits a 16-inch laptop. Large-capacity bag, front, back and internal pockets can organize all your business needs.Multi-functional carrying options: This briefcase is equipped with an adjustable and detachable shoulder strap, which can be cross-body or shoulder-carried, and has a built-in handle on the top for easy holding.