This Messenger Bag has been made out of Top Grain Leather. If you are using first time or have least knowledge about pure leather then don't worry about its color variation. Pure leather products get more beautiful on ageing. These are not PU which will contain shine on its surface. A perfect companion for your college office and other uses. Long organizer interior with room for Laptop, i-phone, i-pad, writing instruments. One front pocket for easy access for valuable thing, wide short handles and removable shoulder strap made of tear proof cotton with leather trim.