Protects Baby's teeth and soothes tender gums! Prevents Baby from ingesting harmful varnish. Our crib rail teether is made of a FDA approved, Phthalate free, non-toxic soft plastic that easily slips over your crib rail to protect Baby's new teeth and tender gums from nasty bumps and falls on hard rail edges. No adhesives are needed and is easy to clean! Four 12" sections are included to cover a standard crib rail.