The Rabitat Squeezy bottle is made from Food Grade Silicone, which is about the safest substance that can be used for a feeding bottle. The Bottle is designed in a way that it mimics the natural form of feeding, which helps reduce bottle rejection. The Squeezy bottle features two Anti Colic valves which helps keeping your baby Colic free. The wide mouth and and four easy to clean parts mean that you do not need that bottle brush to make sure that the bottle is cleaned to the max. The bottle is dishwasher and microwave friendly, and BPA, PVC and Phthalate free.