ALL MY ITEMS ARE GUARANTEED AUTHENTIC. ITEM: Tumi Black Shoulder Strap Carrying Laptop Messenger Bag and Coin Purse Purse. Well taken care of. MEASUREMENTS: Approx: 16″ x 4″ x 11. Please let me know if you have any questions. If you have any issues or feel the need to leave negative or neutral feedback, PLEASE contact me first and I will try to resolve your matter.