Occasion: for travel,outdoor sports, fitness, gym bag Internal 1 zip pockets and 2 slot pocket；External 3 zip pockets, 4 hasp pockets. Material:Cow Leather (first layer cowhide) Lining: Polyester Style : Vintage,Casual Size: 48cmx24cmx24cm(LxHxW) Color: Black. Gender: For Men Warm tips: (1) 1 inch = 2.54cm,1cm = 0.39inch (2) With the difference in the measurement method, please allow 1-3 cm in size deviation. (3)The product is taken in kind, but there will be some chromatic aberrations under different light environments and dmonitors, please understand. (4) The texture of cowhide is slightly different for different parts of the cow; for example, the texture of the neck and butt of the cow will be thicker, and the texture of the other parts of the cow will be thinner. Please understand. All pictures are true shooting ,but because of the impacted by lighting and different screen ,it will shown a little bit color different. All size,is manual measurement ,please allow 1-3 cm error ,thanks,(1inch=2.54cm,1cm=0.39inch).