PVC Human Male Genital Peni s Organ Anatomical Medical Model Anatomy Science Teaching Natural Life Size 4 Part high QLCrafted from heavy duty cast PVC, this model represents significantly higher value than cheaper alternatives, offering exceptional durability that resists warping and fading over time. Product Item: Human Male Genital Peni s Organ Anatomical Medical Model Anatomy Science Teaching Size: 20x15x21cm Material: PVC Feature: 1. All major parts of the model are numbered and named on a description card that comes with the model. 2. Dissectible into 4 parts.