Optimal Breast Releiver manual milk extraction device (slaughter) from the French brand Optimal, made of polypropylene, it works to extract milk easily, after placing the nozzle on the breast, start pressing on the rubber ball part gently and at the same speed as the baby is feeding, so that the device begins to extract milk, small in size, light in weight, easy to carry and clean, safe For children, it is Bisphenol A (BPA) free.