Rene Caovilla Ladies Flats. SKU - C12073-010-NA01V050-BLACK LAMB-SATI. Color - Black. Rene Caovilla Cleo 10 Crystal Ballerinas. The Cleo ballerina, crafted from leather and satin for comfort and versatility, features a timeless flat design enhanced by a shimmering crystal serpent that wraps seductively around its silhouette, with hand-applied rhinestones and a 0.4'' heel. Made in Italy. Please visit the brand website for sizing information.