Rebecca Minkoff Becky Convertible Backpack in Black. Rebecca Minkoff Becky Convertible Backpack in Black. Leather exterior with jacquard fabric lining. Drawstring and magnetic top closures. Exterior magnetic slit pocket. Exterior zip pocket with leather pull. Interior slit and zip pockets. Raised stud accents. Quilted detail. Measures approx 8.5 W x 10.5 H x 4.5 D. RMIN-WY1159. HS18SBCB75. Classic, stylish, and functional; it's easy to see why we love Rebecca Minkoff.