D&M Jewelry 16pcs Colorful 6g-1" Thin Soft Silicone Ear Skin Flesh Tunnel Plug Expander Packet included: 16pcs of soft silicone plugs(same size one pair glow in the dark) Gauge: 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),7/8"(22mm),1"(25mm) Diameter: (approx) 7mm,8mm,10mm,12mm,14mm,16mm,19mm,21mm,23mm,25mm,28mm,30mm Height: (approx) 12mm Soft flexible rubber, less painful to stretch your ears.