PiercingJ 22pcs 8G-3/4 Medium Thin Silicone Double Flared Tunnel Plug Gauge Ear Stretching Kit You will received 22pcs soft silicone 8G-3/4" Tunnel plug gauge kit - 11 pairs. Gauge: 8G=3mm, 6G=4mm, 4G=5mm, 2G=6mm, 0G=8mm, 00G=10mm, 1/2"=12mm, 9/16"=14mm, 5/8"=16mm, 11/16"=18mm, 3/4"=20mm Height:11mm; Thickness: 0.2mm Material: Soft Silicone ( very soft, easy to push in and take off) We have 3 types of silicone tunnel plugs: ultra thin, medium thin and normal. The thickness is 0.1mm, 0.2mm, 0.3mm respectively.This is medium thin (0.2mm). If other type needed, search PiercingJ silicone tunnel plugs.