MAM pacifiers help calm your crying baby. Babies have an inborn natural sucking instinct they use to soothe themselves. This soothing comes from their natural inclination to breastfeed. MAM has created symmetrically shaped orthodontic pacifiers to ensure babys pacifier is always in the correct mouth position the one that is most natural. The concave shield, numerous vent holes, and patented internal dimple design help prevent your babys lips from chapping and provide maximum comfort for your baby. Colors may vary.