The Laptop Messenger Bag Vintage Shoulder Bag Convertible Backpack Retro Briefcase by CoolBELL is a stylish and functional accessory suitable for adults. Made with waxed canvas outer material and polyester lining, this water-resistant bag features two compartments, a zipper closure, and a shoulder strap handle type. Its retro style and solid brown color make it a versatile choice for both men and women, with the added convenience of being able to convert it into a backpack. With a compatible size for 17-inch laptops and weighing only 3.59 pounds, this messenger bag is perfect for carrying your essential items in a stylish and practical manner.