Product name: 3-piece backpack, messenger bag, pencil case Backpack details Main material: polyester canvas Gender: Neutral, boy/girl/teenager/man/woman Interior: indoor compartment, mobile phone pocket, computer mezzanine Function: school bag, laptop bag, travel bag, sports bag Size: 42CM*30CM*14CM (1 cm=0.39 inches) Shoulder bag/crossbody bag details Inside: Internal compartment switch Type: Zipper Hardness: Soft Storage: mobile phones, books, mirrors, wallets, etc Function: school bag, daily satchel, travel bag, school bag, snack bag Size: 24cm * 21cm * 7cm (1cm = 0.39inch) Pencil case/stationery bag/pen bag details Closure type: zipper Size: 21 cm * 10 cm * 3 cm (1 cm = 0.39 inches) Uses: pencil boxes, pencil boxes, pencil boxes, pencil boxes, ruler eraser holders, etc Please allow (1-3cm) error due to manual measurement, thank you for your understanding!