This anatomical Heavy Rubber Bondage collar is made of 3mm thick black natural rubber, and has three sturdy metal D-rings in front, to which handcuffs or a chain for fixing can be attached.
The width of the collar is approx. 45mm to 50mm.
The collar has an adjustable buckle in the neck. Optional the buckle can be equipped for locking with a padlock.

Please refer to the size chart to ensure that the collar fits well.