This is an 18 pc package of cool jeweled dermal tops. Fits into a 14 gauge dermal anchor. The anchors are sold separately. Made of 316L surgical steel and cz gem. The gem colors are purple, blue, clear, green, black, pink, aqua, red and tanzanite. Item is nickel free. You will receive 18 jeweled dermal tops (2 of each color) in the size of your choice. Size is available in 3mm, 4mm or 5mm.