Exterior: Leather bag with polyurethane trim. Interior: Polyester. 11in L x 3in W x 9 3/4in H, drop: 23in at longest. Flap closure with magnet. Flap zipped pocket. Back slit pocket. Lining features two multi function pockets and a zippered back wall pocket. Clean with a water-based leather cleaner and moisturizer. use a protective spray to protect the leather surface.