What you get Includes 3 lightweight Styrofoam mannequin heads with female facial features. Lightweight yet sturdy, easy to handle and resistant to breakage. Dimensions Height: 11 inches (28 cm) Head circumference: 20 inches (51 cm) Bottom diameter: 5.9 inches (15 cm) Clamp compatibility Bottom has a 1 inch diameter hole for mounting on a holder. Fits standard table wig clamps and wig box clamps for convenient use. Wig care and longevity Designed to extend the life of your wig by keeping the wig or hairpiece intact for long term use. Use scenarios Salon or home styling station: stabilize wigs during styling, cutting, or adjustments. Display and storefront or home display: place on a table or display area to showcase the wig. Wig making or maintenance at studio: secure for detangling, washing, or construction tasks.