This expandable vacuum compression backpack grows from 25L to 40L to handle everything from a gym bag to a 3-5 day trip without checking luggage. The built-in integrated pump compresses clothing directly inside the main compartment with no separate pump to track down or lose. External dimensions measure 11.5 x 6 x 17.3 inches unexpanded and 11.5 x 10 x 17.3 inches expanded, meeting most airline carry-on size requirements. A 180-degree opening makes airport security checks fast and straightforward. The dedicated wet-dry separation compartment uses a high-density waterproof wet bag to keep damp items like swimwear and towels completely isolated from clean compressed clothing. A padded 17-inch laptop sleeve keeps work and study gear protected and organized. The airflow back panel with thick padded ventilation and adjustable breathable shoulder straps supports all-day wear. A hidden anti-theft zipper pocket on the back panel secures your passport, wallet, and phone. A luggage pass-through strap lets you slide the backpack securely over a rolling suitcase handle for easy navigation through busy airports and terminals.
Expands from 25L to 40L with a built-in integrated vacuum pump that compresses clothing inside the main compartment — no separate pump required
Meets most airline carry-on size requirements at 11.5 x 6 x 17.3 inches unexpanded and opens 180 degrees for fast airport security screening
High-density waterproof wet-dry separation compartment keeps damp shoes, swimwear, and towels fully isolated from clean compressed clothes
Padded 17-inch laptop sleeve plus a hidden anti-theft back zipper pocket protects electronics, passport, wallet, and phone
Airflow back panel with thick padded ventilation, adjustable breathable shoulder straps, and a luggage pass-through strap for all-day carry comfort