1· Package and size: 100 PCS disposable glue rings caps, the cup diameter is 14 mm/0.55 inches. Proper size will not only save your glue, but also fit your fingers. , 2· Unique design:The glue ring diameter is adjustable, perfect fit for your fingers, which make it very convenient to use and no worried about that the ink or glue will spill out. Geviro 100 PCS Eyelash Glue Holder Disposable Plastic Glue Ring Cups Pigment Rings Makeup Glue Holder Rings Nail Art Polish Holders Tattoo Rings Cups Beauty Tool (Pink-Middle)