Material:high quality stainless steel +acrylic
Gauge:18g=1mm ; Barbell length:4mm
Cap size(Illusion Gauge): 6g=4mm,4g= 5mm, 2g= 6mm, 0g=8mm,00g= 10mm, which make the stud earring look like these gauge piercing.
Colorred, pink, yellow, green, dark blue, light blue
Package Included: 6 pairs ( 1 pair for each color)