Premium pure real leather: 100% full-Grain leather which takes hits well and looks even better with age. Full-grain leather is the top layer of the buffalo skin which is the most expensive and toughest part. Mechanism: This messenger bag has main interior compartment with front pocket with zip for added security and a fully lined interior that includes zip pocket and slip pockets for organization. The compartment has dedicated space for I Pad, MacBook, tablet, phone & other small accessorie