Black Rhinestone Accent Back Zipper Multi Strap Open Toe Platform High Heels. These heels feature a rhinestone accent design, back zipper, platform style look, open toe, Great for any occasion, Heel measures about 4 inches, Platform measures about 3/4 inches. So buy this High Heels Pumps. Just $9.99 for Black Rhinestone Accent Back Zipper Multi Strap Open Toe Platform High Heels.