The pumps are made of eco suede leather. The high heel and platform will gently elevate the silhouette. Soft insole made of eco leather provides comfort and convenience during use. The pumps have a buckle fastening with an adjustable strap. Be sure to check out our other pumps as well! When choosing a size, please follow the size chart 35-23/36-23.5/37-24/38-25/39-25.5/40-26cm