Handsome flower cone or cap, fairy dress, dangle collector, etc. The petals can be shaped / bent a little, so you can adjust it a bit for size. 10mm inside is conservative.

Lead-free. Nickel-free. Cadmium-free. 22mm x 17mm Hole size is approx. 2.5mm. Inside diameter (ID) is 10 mm. By the pack of 5.