- 40L Large Capacity : Ideal for 3-5 day trips, this travel backpack can accommodate clothes, shoes, wallets, toiletries, a 17-inch laptop, and a 12-inch iPad. Side straps help compress the bag when fully packed. - Perfect for Air Travel : Measuring 18 x 14 x 8 inches, this backpack meets airline standards for personal items. It easily attaches to luggage sets and fits under the seat, with a luggage strap for secure attachment to your suitcase. - Organized Design : Featuring 4 main compartments and 3 packing cubes, this backpack keeps your belongings organized. Separate packing cubes for shoes, toiletries, and underwear ensure everything has its place. A side pocket accommodates bottles and umbrellas, while dedicated dry and wet compartments allow safe storage of wet towels and toiletries. - Durable and Comfortable : Made from waterproof and reinforced polyester, this backpack is built to last. The shoulder straps and zippers are specially reinforced to withstand regular use. Padded shoulder straps and side handles provide added comfort during transport. - Practical Box Structure : The expandable 180° design allows for easy packing. A special electronic product compartment at the back provides quick access to electronic devices during security checks. Use Scenarios : 1. Take it on weekend getaways, packing efficiently for all clothes, shoes, and essentials. 2. Ideal for business trips, keeping your laptop and important documents secure and easily accessible. 3. Use during day trips or hikes, thanks to the compressible design and ample space for personal items. This travel backpack combines functionality with comfort, making it a reliable choice for anyone on the go. Its thoughtful design and durable materials ensure you can travel with confidence.