Material:  plastic, metal.
Size: 25 mm, 28 mm, 31.5 mm, 38 mm, 42 mm.
Logo: sticker, epoxy, dome, baking varnish, silk screen.
Fittings on back: slide clip, swivel clip, PVC.
Shape: round, square, heart, star

We can accept even 100 pcs if we have stock color and shape: solid round
blue, solid round red, solid round white, solid round black, solid square
black, solid squarewhite, transparent round red (yellow, blue, green, black)
with swivel clip.