【Product Description】 Thank you for viewing! This is a multi-functional Boston bag that combines functionality and design. You can purchase it immediately without leaving a comment. 【Product Overview】 A large-capacity bag that is perfect for travel, business, sports, and other occasions is back in stock. The simple black color makes it unisex and suitable for all genders. 【Features of this product】 Expandable size to suit your needs By opening the zipper at the bottom of the bag, you can increase the height by approximately 10cm. This is very convenient when you have more souvenirs on a trip or on days when you have a lot of luggage. Carry-on function It has a carry-on loop on the back, allowing you to secure it to the handle of your suitcase for safe travel. Excellent waterproof and water-repellent performance Made of high-density Oxford material. It protects the contents even on rainy days and is resistant to dirt. Wet and dry separation pocket Equipped with a waterproof zippered pocket inside. You can store wet towels and toiletries separately. Lightweight and compact storage Although it is made of durable material, it is very lightweight and can be folded and stored slimly when not in use. 【Recommended usage scenarios】 1-2 day short trips, carry-on luggage, school trips, gym, yoga, mother's bag, disaster prevention bag, etc. 【Product Specifications】 Color: Black (※Pink is also sold on a separate page) Material: Oxford fabric (water-repellent/waterproof) Size: Normal: Width approx. 40cm x Depth approx. 20cm x Height approx. 30cm Expanded: Width approx. 40cm x Depth approx. 20cm x Height approx. 40cm Condition: Brand new, unused Shipping: Free shipping 【Notes】 Due to being an imported product, there may be minor fraying or loose stitching. When shipping, we will fold it compactly to reduce shipping costs. This bag is perfect for those who are looking for practicality and storage capacity. Please consider this opportunity.