Nylon fabric with vinyl trim and water resistant coating. Interior Padded Tech Panel: fits most laptops up to 14.1″ (horizontal) and tablets up to 9.7″. 3-1 Convertibility: Using or removing the adjustable strap, the bag can be carried in 3 unique ways; Carryall/Handheld Mode, Crossbody Mode, and Shoulder Mode. Organization: exterior front zippered pocket stores essentials needed quickly; interior features a zippered pocket, two slip pockets and a pen sleeve. SmartSleeve: fits over most upright luggage handles for easy mobility. 18.5″ x 12.3″ x 6.5″(Color :Black)