Briana Williams Jewelry: Just for you and meet what you need. Briana Williams is professional manufacture and sales all kinds of high quality body piercing jewelry. SIZES DETAILS Nose rings hoops 20 gauge (0.8mm) inner diameter: 5/16 (8mm). Nose rings studs 20 gauge (0.8mm) bar length is 0.27 (7mm). HYPOALLERGENIC The nose studs nose hoops are made of high quality 316L stainless steel hypoallergenic free of lead and nickel no harmful substances safe material suitable for any sensitive skin. Smooth surface comfortable to wear all day long. BEST GIFTS These nose jewelry is made of premium AAA+ sparkling clear cubic zirconia beautiful and shiny perfectly match your various wearing style. Comes with a black velvet gift package. Best gift for Birthday Christmas Day Anniversary Valentine s Day Wedding Halloween Party and more! Warm Tips: 1.Avoid chemicals avoid impact and scratches. 2.Do not wear jewelry during exercise bathing and swimming. 3.Wipe with a soft dry cloth aft