【Product Description】 Main storage pocket with a 15.6-inch laptop storage pocket. Convenient for storing laptops, iPads, A4-size documents, etc. With its versatile storage capacity, it can be used for short business trips or as a daily business bag. Even if you suddenly need to bring documents home after work or school, you can expand it to open a 15cm gusset for a large capacity. You can go lightly and thinly in the morning and expand it for carrying in the evening. The curved fit of the shoulder straps is good, making it less tiring even with a lot of luggage. There is a handle on the top of the main body, so you can rest assured when taking off the backpack. It has water-repellent properties, preventing small water droplets from seeping in. The back and shoulder parts of the backpack use breathable mesh material. With its simple design, it is an easy-to-use backpack for various scenes such as business, commuting to school, and everyday use. 【Color】Black 【Size】 Height: Approximately 45cm Width: Approximately 30cm Gusset: Approximately 7cm (15cm after expansion) 【Specifications】Inner pocket / Outer zipper pocket Brand new, unused item. Free shipping and anonymous delivery for a safe transaction. Business bag Black Slim Design Expandable 4100 ※We are also selling on other sites, so it may be sold out. ※Please note that we cannot offer discounts. 【Size】 Height 45cm x Width 30cm x Gusset 7cm (15cm after expansion) Weight: 850g 【Color】 Black 【Please note】 ・If there is any defect in the product, please contact us "before evaluation". ・Due to being an overseas product, there may be some irregularities in the seams or fraying. ・We have opened the bag once for inspection. ・To provide it at a low price, we will send it in simple packaging. ・We do not accept returns or exchanges due to customer's convenience. ・If there is any defect in the product, please contact us "before evaluation". We would like to sell it to those who understand. Thank you very much.