This backpack is made of top quality genuine crazy horse leather.The crazy horse leather is made of high-end top layer cowhide material, which is solid and durable. To adapt to deep and grease craft, the hand feeling of the leather surface is slippy and fruity. It will come into being an allochroic effect when the hand pulls and stretch the surface. Longer using, shinier for the surface patina. This backpack can fit 13 inch laptop. It supports logo customization and has enough space to advertise your business.