The SL backpack is a backpack that doesn't "talk much" on the outside. Inside, there is a mesh three-dimensional pocket that can store thin haori and light clothing, Sleeves made of materials that are resistant to scratching PCs and tablets are arranged. Furthermore, to make it easier to charge the smartphone, there is a hole for the battery cable in the side pocket. It is a backpack packed with features that you can't tell from the appearance. -Built-in daypack type rain cover at the bottom of the main body (removable) - Sleeve for PC and tablet that can handle up to 18 inch size (using a flexible lining that is hard to scratch) - Mesh three-dimensional pocket that can store light clothes ● Side pocket for charging your smartphone (battery/cable not included. ） ● Side Drink Holder - Carry-on compatible back belt ● Non-slip zipper pull for easy opening and closing ● Shoulder belt has D-rings for accessories and key attachments ● Number of compartments: 3 - Pocket quantity: Outside 4 / Inside 6