Slut, Bitch, Submissive, Slave - Adjustable Silicone Collars

This silicone collar has 4 different slots for sizing.
Overall Length- 18.25 inches or 46.35cm.

Hole length from largest hole - 17.75” or 45.08 cm , 16.75” or 42.54 cm, 15.75” or 40 cm, and 14.75” or 37.46 cm.