SYMMETRICAL SHAPE: No “right side up” silicone pacifier for babies are fuss-free and won’t need to be adjusted to sit properly in baby’s mouth and fits perfectly under nose for easy breathing. SILICONE NIPPLE: The BPA-free silicone boy and girl pacifier has the signature MAM design, with silky SkinSoft material and a symmetrical shape that's ideal for jaw and teeth development. VENTILATED & COMFORTABLE SHIELD: These orthodontic pacifiers for babies have a curved sterilizing shield with openings to prevent moisture build-up and allow baby’s skin to breathe. SELF - STERILIZING CASE: Add water and pop into the microwave to sterilize MAM silicone pacifiers 6+ months in just 3 minutes and store in case for at home and travel to protect the pacifiers. HIGH QUALITY: Approved by 94% of babies*, our 100% BPA & BPS free orthodontic silicone pacifiers meet or exceed US safety standards and are extremely durable, while being soft and flexible.