Mach & Mach Ladies Flats. SKU - PF24-S0749-010-NAP-WHT-WHITE. Color - White. Mach Mach Pearl-Embellished Sirene Ballerina Shoes. This ballerina shoe features faux-pearl embellishments, an elasticated slingback strap, a round toe, a branded leather insole, and a leather sole. 100% Leather. Made in Italy. Please visit the brand website for sizing information.