The Vacuum Compression Backpack is a versatile and space-saving travel companion. Crafted from durable, waterproof Oxford cloth, this backpack can hold up to a 17-inch laptop in its separate padded compartment. With dimensions of 19.3 x 12.6 x 5.9 inches (49 x 32 x 15 cm) and an expanded capacity of 19.3 x 12.6 x 7.9 inches (49 x 32 x 20 cm), it offers ample storage space while remaining compact. The unique vacuum compression system allows you to compress your clothes and gear, maximizing available space. Simply open the airtight zipper, place your items inside, open the one-way exhaust valve, and press to remove excess air. This backpack features breathable back padding, comfortable foam shoulder straps, an anti-theft zipper pocket, and water-resistant, wear-resistant, and moisture-proof construction. It also includes a separate compartment for wet and dry items, ensuring your belongings stay organized and protected during your travels.