Pendant Necklace 18mm -20mm Snap Jewelry Stainless Steel Chain It comes with one snap button, additional button snaps available, I create my snaps using paint running off my paintings in the process, painted “skin” is then cured and used to make jewelry, magnets and other colorful things! It is always unique and can’t be duplicated, it. Is really is a mini acrylic painting under glass dome made small enough to wear!