This model is a premium, medical quality anatomical model made from a durable plastisol polymer design to easily be cleanable and withstand high temperatures.it shows the details of the bone structures, innervation, and flow of blood vessels, all of the joints, sutures, fissures, foramen, and styloid processes are very accurate.3-part, numbered, life sizenumbered key is includedvery good tool for teaching/studying human anatomy colour:whitematerial:pvcsize:19 x 15 x 21cm package contents:1 * human skull model only the above package content, other products are not included.note: light and different displays may cause the color of the item in the picture a little different from the real thing. the measurement allowed error is +/- 1-3cm.after-sale: if you have any questions after purchasing, please feel free to contact us, we will solve it within 24 hours.