I have a few lots of these, so the piece on the back could be either color (piece that connects to the lungs)
The product is a lot of 4 replacement faces for Laerdal Little Junior child CPR training manikins. These faces are designed to be used for practicing CPR skills on a child-sized training manikin. The Laerdal brand is well-known for producing high-quality medical training equipment, and the Little Junior model is specifically designed for training purposes in healthcare, lab, and dental settings. These replacement faces ensure that trainers can continue to practice and improve their CPR skills on a realistic and authentic manikin.