The WIKISTORE Air Vacuum Compression Travel Backpack redefines smart traveling with its advanced 60L expandable capacity and innovative vacuum technology. This professional-grade backpack features a built-in vacuum compression system that efficiently maximizes space, expanding to a full 60L capacity comparable to a 24-inch suitcase while allowing quick compression using the included electric pump or manual pressure. Crafted with premium heavy-duty SBS zippers and high-density Oxford fabric with 900D waterproof membrane, it delivers exceptional durability and complete water resistance. The intelligent organization system includes eight specialized compartments featuring a shockproof 17.3-inch laptop sleeve, multiple front and side pockets, hidden security compartments, and a smart dry/wet separation system with PVC waterproof dividers that keep toiletries and damp items completely isolated. Security is enhanced with TSA-approved locking mechanisms and discreet hidden pockets for valuable items. The ergonomic design incorporates a multi-panel airflow system with 3D breathable back padding, adjustable shoulder straps, and supportive waist belt to reduce strain during extended wear. FAA carry-on approved, this versatile backpack eliminates checked baggage hassles while providing superior organization for business trips, outdoor adventures, and daily commuting. Experience the perfect fusion of innovative vacuum technology, military-grade durability, and intelligent organization in one sophisticated travel solution.