1 Pair 1/2" 1/2 gauges 12mm silicone Glow in the dark plug Flesh Tunnel Stretchers Expanders Earlets Ear plugs 1 Pair of 1/2" Inch = 12mm silicone glow in the dark ear plugs. Made from hard acrylic. High Quality. All body jewelry that is 100% guaranteed of the finest quality materials.