WILLOU Disposable Ring Holders for Eyelash Extensions / Microblading - 100 Pack

Glue rings can be used to keep eyelash adhesive fresh for much longer than when using a jade stone as less air comes in contact with the adhesive. Glue rings can also be used for permanent makeup pigment and eyelash and eyebrow tint. The cup size:13mm(outer diameter);11mm(inner diameter) , and the finger round diameter is 0.7'' / 1.7cm .