The new Nana Nubs Massager from Nuby is specifically designed to instill positive oral hygiene habits from the very start. Constructed from extra soft 100% silicone bristles with baby's comfort in mind, it provides 360 Degree of massaging action to delicate, tender gums. Sized for maximum effectiveness and easy enough for baby to hold, Nana Nubs also contributes to the development of fine motor skills while giving baby's sensitive teeth a gentle cleanse.