Cat is a 1 inch enamel charm  ... Has Disney LOGO Stamp ...Its a must if you are a fan !  The Barbell is 14 G and made of 316 L Surgical Stainless Steel Barbell Length/Diameter : 12 mm Gemstone ( Pick Your Color ) Size : 7 mm Top Ball Size : 4 mm All my  charms are hung with a Spring coil ring. Its very durable and wont pull apart like most O rings. This means it will prevent the lose of your charm.