The Monster Makers Life Size"Ed Head" Armature 2.0 for Mask Making and Clay Busts Dimensions: 18" H x 13" W x 11"D ; Weight: 3lbs Head Circumference at Brow is Approximately 23" World's First Water-Fillable Sculpting Bust Made of a Special High Density Plastic Designed to Withstand the Rigors of Mold Making RAD (Radiant Assisted Demold) Technology Dramatically Aids the Demolding Process