This backpack is made of nylon and the inner lining is polyester, which is easy to clean.The pockets on the front gives you some space to place your things and easy to access.The back side comes with protective padded design,easy to carry throughout all day. The straps and the back of the backpack is well padded, making it comfortable to wear.PLENTY SPACE & GOOD ORGANIZATIONDimensions:11.02''*6.69''*16.92''in(L*W*H).Weight:2.2LB.Capacity:20.5L.Laptop compartment can fits up to 12" Laptop, while the outer compartment can hold 15". 1 main compartment+ 1*outside zipper pockets+ 2*inside pockets+2*side pockets. Tablet, Macbook Air/Pro,Ipad, phone,pen,notebook,wallet,umbrella,books,folders,or other things can be easily put in the bag.APPLICATION:The retreat backpack can fits your many occasions. color matching brings you visual experience. You can carry it to college, hiking, shopping, cycling, traveling, dating, etc. Adjustable shoulder straps, tighten and loosen easily.MULTIPURPOSE USAGE & CASUAL STYLE: The retreat backpack can fit your many occasions. It also fit men and women. You can carry it to hiking, shopping, cycling, traveling, dating, etc.