Black Velvet Material Back Zipper Buckle Strap Multi Cutout Open Toe Rhinestone Accents Platform Wedges. These platform wedges feature a velvet material look, back zipper, buckle strap, multi cutout design, open toe, rhinestone accents, Great for any occasion, Platform measures about 1.5 inches, Heel measures about 5 inches. And buy this Black Velvet Material Back Zipper Buckle Strap Multi Cutout Open Toe Rhinestone Accents Platform Wedges Only $5.99.