This MAM ring fits all button style baby pacifiers. Inner diameter is 21mm (0.8"). MAM rings are made of 100% food grade silicone and BPA free.

*Small objects and beads can present choking hazards to young children.  Never leave a child unattended with beads or other products. Cords, clasps and pacifier clips are not intended to be chewed on and may present choking hazards. To wash, gently wipe with a damp cloth.