The Samsonite Mobile Solutions 2 Convertible Backpack, 3-in-1 Tote (15 L) in Black is a versatile and durable laptop bag made of polyester material. It features a solid black color and a maximum compatible laptop size of 15.6 inches. This backpack is designed to be water-resistant, adjustable, and convertible, making it a practical choice for everyday use. With a frame material of polyester and a handle/strap material also of polyester, this Samsonite backpack offers both style and functionality for on-the-go tech-savvy individuals.