All synthetic materials. These are a great pair of Y2K faux patent leather strappy kitten heel sandals from Fioni! Womens 8. Excellent used condtion with light signs of wear. Worn once or twice. The front of the shoe has a gemstone detail. Black with silver footbed. Buckle side closure. Non-smoking household. Tags: Formal. Prom. Wedding Guest. Anniversary. Black Tie. Gemstone. Patent leather. Kitten Heel. Y2K. 2000s. Strappy. Cute. Black. Glam.