PPgejGEK Vacuum Compression Expandable Business Travel Backpack with Laptop Compartment — 46x30x17cm (18.11x11.81x6.69in) Large-Capacity Waterproof Computer Bag

Reliable waterproofing: built from high-strength waterproof nylon or polyester fiber coated with a waterproof finish, plus seamless welding technology and waterproof zippers to form a strong moisture barrier. Whether caught in a sudden downpour or wading across shallow water, the bag keeps gear and clothing dry and protected for outdoor use. Space-saving vacuum compression: a built-in vacuum compression system works with a specially designed compression bag to exhaust air and noticeably reduce the bulk of soft items like clothing. This frees up carrying space so you can bring more supplies, while keeping contents neater and easier to locate. Ergonomic carrying system: shoulder straps are shaped to match the human back and are padded with wide, soft, breathable material to lower carrying pressure and help prevent shoulder and back fatigue. An adjustable chest strap and waist belt distribute load across the body for greater comfort and stability during long walks or mountaineering. Thoughtful compartment layout: multiple storage areas are arranged for practical use — a large main compartment for clothes and sleeping bags; a front pocket for everyday small items such as mobile phones and wallets; side mesh pockets for water bottles or umbrellas; and an internal waterproof layer/partition to separate wet and dry items. Durable construction: made from specially treated, wear- and tear-resistant materials that guard against scratches from thorns and rocks. Sturdy hardware — including reinforced zippers and buckles — resists damage from frequent use, making the pack a dependable travel companion.