Metal type: Titanium and nickel free / Metal color: White</br>Post / wire size: .031" x 3/8" Dimensions: 3.0 mm // 4mm // 5mm // 6mm</br>Weight: 3mm =1.1gm?? 4mm=2.8grams?? 5mm=3.2grams</br>100% Hypoallergenic and Allergy free // For sensitive ears</br>Made in United States and helps heal pierced ears with allergic reactions</br></br>Product Description</br></br>This solid titanium earring features a 3??4??5mm or 6mm ball and comes with an ear nut. Made with grade 23 Titanium?? this earring is 100% hypoallergenic for sensitive ears and nickel free.</br><br/>http://www.amazon.com/gp/product/B01831G0G0