At 17.5 x 12.5 x 5, this Nautica men's backpack will soon become your favorite bag! with one large slip pocket with a snap on the interior, this backpack offers storage and organization features. In terms of durability, this nylon bag is made from coated, water-resistant polyester material that can withstand the elements. Finally, this tech-friendly, durable and comfy backpack has a sunglasses holder loop on its shoulder strap, for convenient on-the-go access. Overall, this backpack is a great choice for school, travel, or work.