This is a full size model of the left breast. It is made of durable lifelike material with embedded lumps that simulate irregular masses. It simulates a fibrocystic mass, a typical tumor, & a lactiferous duct. Breast Designed for Future Mom, Professionals, Midwives, Science, Health and Teachers in Medicine / Anatomy, medical students and other health professionals. This is a full size model of the left breast. It is made of durable lifelike material with embedded lumps that simulate irregular masses. It simulates a fibrocystic mass, a typical tumor, & a lactiferous duct. High quality medical grade silicone, non-toxic and non-chemical leaved on it. The feeling of extremely soft silicone is still so real and natural even tough testing the model over and again. The doctor's office decoration, a beautiful work creates an object well with the clear shape with a large retailer. This breast model is the perfect gift for students or teachers in your life, can be used as a decorative or gift ornament.