【High quality material】 Made with 316L surgical steel which is hypoallergenic and nickel free,allergy free and anti-rust, suitable for sensitive body. 【Perfect Size For You Gauge: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). Perfect Size For Women And Mens As Daily Piercings. 【Long Time to use】 Good color plating,can last longer time than other material.Never turn your skin green. 【Some Jewelry Maintenance Tips】 1.Keeping away from chemicals or a shower; 2.Avoid impacet and scratches; 3.Picking it off when sweating a lot or sleeping; 4.Wipe with a soft dry cloth after wearing; 5.Small parts.Not suitable for children. 【NOTE】 1.The item can be worn for a long time, but in the bath, sleep, exercise and sweat, need to take it off, then you can wear the silicone ear tunnel. 2.Due to manual measurement, it may cause slight variations in size of about 0.5-1mm. 3.Due to the different display and different light, the picture may not reflect the actual color of the item.