Aquazzura Firenze Lily of the Valley Heels US 7.5 (Aquazzura Size Chart in Photos) 4.25" Inch Stiletto Heel Slip on Mule Style Open Toe Black Suede Made in Italy Great pre-owned condition! These head-turning suede stiletto mules feature a cascade of lifelike lilies of the valley. A sophisticated style in classic black and white, wear these shoes to boost a traditional suit, don with denim, or make our go-to shoe for formal occasions.