Shoulder strap adjustment buckle, adjust according to your comfort.The bag adopts a fashionable texture pull head, with a comfortable handle, non-slip and wear-resistant.Fits pen, keys, wallet, books, snacks, clothes, umbrella, water bottles and more.Name:Casual DaypacksMain Material: nylonLining Material: PolyesterHandle/Strap Type: Soft HandleBackpacks Type: SoftbackClosure Type: zipperPattern Type: SolidSize:30*12*41CMStyle: Portable/Shoulder/ShoulderCapacity: Can hold 14-inch laptops, A4 magazines, tablets, folding umbrellas, etc.Packing list:Casual Daypacks * 1Tips:Due to manual measurement, please allow some errors.The subtle difference between the picture and the actual object is caused by the brightness of the light. Thank you for your understandingIf you have any questions, please contact us in time and we will respond to your inquiry within 24 hours.