Shape based on Dr. Brownu0026#39;s Standard bottle nipple to avoid confusionnShield dips below babyu0026#39;s nose for easier breathingn100% medical-grade siliconenEasy to cleannDishwasher safenDr. Brown's Silicone One-Piece Pacifier is designed with a bulb that is the same shape as the Dr. Brown's Standard bottle nipple for an easy bottle-to-pacifier transition. For safety and comfort, the pacifier's shield contours beneath baby's nose. Constructed with 100% medical-grade and BPA-free silicone, this durable pacifier is easy to clean and dishwasher safe. Recommended for babies 0 months+.