- Efficient Vacuum Compression: Our vacuum compression backpacks feature a one-way valve chamber, allowing you to quickly compress your items using our optional electric vacuum pump or by manually pressing to deflate. This innovative design reduces wasted space in your luggage, maximizing the utilization of your storage compartments. - Large Capacity and Multi-Layer Storage: The main vacuum bag can compress items down to one-fifth of their original size, accommodating approximately 18 to 20 garments for spring and autumn travel. A dedicated compartment is designed to securely hold a 17" laptop. The vacuum-compressed capacity can expand to 60 liters, making it compatible with a 24-inch trolley. - Thoughtful Design for Comfort: The backpack features shoulder straps equipped with three-dimensional sponge padding, which alleviates pressure on your back while promoting breathability. Adjustable fastening straps allow the backpack to conform to your body for a comfortable fit. Additionally, trolley attachment straps enable easy attachment to your luggage trolley for convenient transport. - Dry and Wet Separation: The interior boasts a multifunctional, multi-layer storage system with designated dry and wet separation areas. This ensures you can store dirty clothes and wet items without compromising the cleanliness of your other belongings. Multiple storage pockets with compartments cater to all your organizational needs. Use Cases: - Ideal for weekend getaways, easily transporting clothing and essentials while keeping items organized and compressed. - Perfect for business trips, securely storing your laptop and work essentials while maintaining a professional appearance. - Suitable for outdoor adventures, allowing you to separate wet gear from dry clothing, ensuring a hassle-free experience.