Product Feature: • Vacuum Compression: Space-saving vacuum-packed design with an electronic pump for suction and blowing, plus built-in lights for night travel. • Expandable Capacity: Expands from 20L (34(L) X 17(W) X 52(H) cm) to 36L (34(L) X 27(W) X 52(H) cm) and can be carried as a backpack or suitcase. • Multi-functional: Durable BBS zippers, adjustable chest strap, breathable shoulder straps, luggage strap, TSA lock, and anti-theft pocket. • Pockets: Four main compartments, including a vacuum pocket, laptop compartment (fits 15.6-inch laptop and 9.7-inch tablet), and wet/dry pocket. • Waterproof Material: Made from waterproof and scratch-resistant Oxford fabric; zippers are not waterproof. • Material: Oxford Cloth • Weight: 1.85 kg • Capacity: 20 to 36L • Dimension: 34(L) X 17(W) X 52(H) cm • Fitted Laptop Size: 15.6Inch Note: Measurement may vary +/- 3 cm Colour of actual product may be slightly different from picture shown