The Plumeria mules from Prota Fiori are crafted of sustainable silk with glass strass detail and are anchored by a low heel.Open toe Slips on Sustainable silk/glass crystal upper Apple skin insole Recycled cardboard midsole Vegetable-tanned leather sole Handmade in Italy SIZEHeel height: about 3 (75mm) Please note: Typically runs true to size. Prota Fiori is a Certified B Corporation. Style Code: 0400018013103