The Keep-it-Kleen Pacifier by The Keep it Kleen Pacifier is cleaner and healthier for Baby. Razbaby Keep it Kleen Pacifier is the ONLY pacifier that closes INSTANTLY when it drops. The Keep it Kleen shields close so pacifier can be stored with confidence. Razbaby shields are built in! no more lost pacifier covers! Keep it Kleen is an orthodontic silicone pacifier for babies who are 0-36 months old.