The Patagonia "Black Hole® 55L" bag is made from body, lining, and straps of 100% recycled polyester. This bag has a sturdy construction with recycled TPU film lamination, including a sleek matte finish. It offers a spacious design ideal for travel or sports gear, with a capacity of 55 liters. Features include a large zippered main compartment and durable handles and straps for easy carrying.