1.Materials:plastic and metal 2.Size:20mm/30mm/40mm 3.Color:black, white, green, red, yellow and blue 4.Packaging: blister ca Description of the goods:1.Size: 20mm, 30mm, 40mm2.Color: black, white, green, red, yellow and blue3.Packaging: blister card/pvc box4.Blister card: 20mm 6pcs/card, 30mm 5pcs/card, 40mm 4pcs/card5.OEM welcomed. LESS MOQ6.High Quality, Shiny Surface, Strong MagnetsPictures: ...