Main compartment : 3 Layer Protection , outer layer made of sturdy and breathable canvas material , sponge Middle layer and soft fluff Interior ; Double-zipper allows you put your laptop conveniently Side pocket : This pocket made of nylon lining , you can put your smaller items such as your iPad , smartphone , or laptop accessories . Zipper design can give them good protection Handle : The handle is wide and elasticity, make you carry your laptop more comfortable and convenient"> External Dimensions: 15.7" x 11.2" x 0.8" / 40.0 x 28.5 x 2.0 cm, Internal Dimensions: 15.4" x 10.8" x 0.6" / 39.0 x 27.5 x 1.5 cm. Main compartment : 3 Layer Protection , outer layer made of sturdy and breathable canvas material , sponge Middle layer and soft fluff Interior ; Double-zipper allows you put your laptop conveniently Side pocket : This pocket made of nylon lining , you can put your smaller items such as your iPad , smartphone , or laptop accessories . Zipper design can give them good protection Handle : The handle is wide and elasticity, make you carry your laptop more comfortable and convenient