Marc Jacobs Calfskin Leather Shoulder Bag — Brown. Composition: 100% Calf Leather Bos Taurus. Exterior material: Calfskin Leather. Measurements: 46 × 53 × 13 cm (18.1″ × 20.9″ × 5.1″). Strap: Shoulder Strap. Handle: Double Top Handle. Closure: Open Top. Carry: Handheld, Shoulder.