Valentino Black Leather Rockstud Open Toe Block Heel Ankle Strap Sandals. These chic strap sandals are crafted of black calfskin leather. Size 39. Block Heels, Buckle Closure at Ankle, Heel Height: 4.25" a wide t strap that connects to the ankle strap. These heels radiate elegance for a look of classic chic, from Valentino! Condition is very good only worn a few times no significant signs of wear.