This minimal backpack has been hand cut from a soft yet sturdy 5 oz. oil hide leather. Oil hide leather has been treated with a mixture of oil and wax during the tanning process. It is truly a rugged and durable leather. This bag will age beautifully with time and wear. Throw your daily essentials in and you're ready for the day. Large: 13" (L) x 17"(H) x 3" Depth. Fits up to a 15" Mackbook.