Purchase this bag for my son's laptop. It is very strong heavy duty canvas. all zippers are in working order. Duluth Trading Co Heavy Duty Black Canvas Messenger / Computer Bag is a medium-sized bag with a solid black color and a durable canvas material. It features a zip closure, shoulder strap handle style, and inner pockets for organization. This versatile bag is suitable for travel, casual outings, and business meetings, making it a practical and stylish accessory for both men and women. With a sleek design and quality craftsmanship, this messenger bag from Duluth Trading Co is a reliable choice for everyday use.