Every fabric button is handmade, with love, by Rachel O. The earrings measures approx .5" wide, and has a hypoallergenic, raw titanium post (not shiny). Posts are nickel-free and cadmium free. Fabric buttons are made of 100% cotton, hand stretchedover an aluminum dome. Earrings look their best when cared for properly. Please avoid getting them wet (remove before shower/swim), put on after applying makeup, and you will be able to enjoy them for a long time.