Description #1 Specifications: Colors:Brown, Black Material:PU Leather Lining:Polyester (Due to different batches, it will be a little different) Size:about 30x15x45cm [Conversion: 1cm=0.3937 inch, 1inch=2.54 cm] #2 Specifications Material: PU Leather 2 Colors for choosing: Black, White Size(Length x Thickness x Height): about 32 x 13 x 45cm (12.60 x 5.12 x 17.72 ) Strap Drop: about 57.5cm (22.64 ) Adjustable Lining: Polyester Closure: Zipper External: 1 zipper pocket and 2 small pouches Internal: 2 small pouches and 1 big pocket ( As the picture showed ) #3 Color:Black,Brown Material:PU Leather Lining:Polyester Size(L x W x H): about 30cmx15cmx41cm #4 Color:Black Material:Nylon Lining:Polyester Size(L x W x H): about 27cm/10.63"x13cm/5.12"x33cm/12.30" Features: - Open method: Zipper open. - Style: Backpack, Shoulder bag, Handbag. - The shoulder strap can be adjustable. - It can store iPad, phone, wallet, cosmetics, etc. - Casual Easy style using for: Work, School, Going out, Shopping, Travel, etc. - Best Match: Compliments various style dress and shoes in matching color. Package Included: 1 x Backpack Note: -Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully. -Please allow 1-3CM differs due to manual measurement. -Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.