Unique design for easy transition from bottle to cup. Unique soft structure material doesn’t give harm to your baby’s palate development. Suitable for dishwasher. After each usage, straw should be cleaned under running water. Due to its reusable situation, Babyjem Silicone straw is eco friendly. Since it is produced from food-grade silicone, it does not contain BPA, PVC, Phthalates, Latex and Plastic. There are 4 straws in the package. It should be used under parental control. It is not suitable for boiling. Can be sterilized in the sterilizations.