This new born silicone soother is designed to fit perfectly in your baby's mouth & help form your baby's palate by improving suction. The teat is made from the finest medical grade 100% silicone and guaranteed not to perish. It is also odourless, tasteless, non-toxic & nitrosamine safe. This soother can be used to night as the symmetrical shape means you can put it in the baby's mouth in the dark