NUK/ Gerber - Orthodontic Pacifiers 6-pack, Pink Dots (sz 1 and 2) : NUK Air System allows nipple to self-adjust for proper fit Grooves in the pacifier shield allow air to circulate, helping to prevent skin irritation Size 1 pacifiers are recommended for infants up to 6 months old Size 2 pacifiers are recommended for infants from 6-18 mon...