Non Pierrcing Silver Nipple Rings Sterling silver jewelry Solid Silver Fake Piercing nipple noose bdsm jewelry intimate accrssories The size of nipple noose is adjustables Non Piercing Nipple jewelry Handmade in Sterling Silver Sold in Pair Size is adjustable and you may change it to the size of your nipples. It will be better if I make the required size before sending The standard diameter is 9-10mm (0.37inch) ********* Rings do not require painful piercing of the nipples and it is enough to clamp them securely. The diameter of the ring can be increased or decreased by applying a small force to a specific size. *****************