Description: The Vacuum Backpack for Travel is an ideal choice for travelers seeking a blend of convenience and capacity. With a compact folded size of 30x16x46 cm and an expanded size of 30x27x46 cm, it offers impressive storage from 22L to 45L. Constructed from 900D Oxford fabric with a waterproof layer, it features a breathable mesh back pad and reinforced stress points for longevity. Its vacuum compression system enhances packing efficiency, while multiple compartments keep items organized and fresh. User-friendly features like adjustable straps, an external USB port, and a waterproof pocket make it versatile for any adventure. Features:. Vacuum Backpack Travel. -Color: black. -Material: Oxford cloth. - Size: folded size: 30x16x46 cm/11.81x6.30x18.11 inch expanded size: 30x27x46 cm/11.81x10.63x18.11 inch Compression Steps: 1. Open the vacuum compression lining zipper. 2. Load the garment and close the airtight zipper. 3. Open the one-way exhaust valve and press to exhaust the air. 4. Exhaust the air and close the exhaust valve. Note: Manual measurement, please allow slight errors on size. The colors may exist slight difference due to different screens. Package Including 1 * Vacuum Backpack1 * Pump