Signature canvas and leather lennon backpack don't be afraid to use our bags,wallets, or tech cases beat them up and put them to work Our signature canvasand leather collection uses rich, vegetable tanned bridle leather and sturdy18oz cotton canvas to create products that are as supple as they are durable.A 10oz twill backing, box stitching, reinforced riveting and steelmoldedhardware are just four of the steps on our 159 step production processresulting in a product that will stand up to your wear and tear, and last alifetime. We guarantee it.