Material: This backpack is made of waterproof and durable polyester fiber, fine workmanship, safe to use, waterproof and durable. Mass storage: A spacious packing compartment that can accommodate everyday items, electronics. Other pockets can hold pens, keychains, and more. Comfortable: Comfortable cushioned back design, thick and soft shoulder pads to give you maximum support. The breathable and adjustable shoulder strap reduces the pressure on the shoulder and does not get tired for a long time. The perfect gift: This is the perfect gift for family, friends and colleagues. Date First Available October 28, 2023