Product Materials: Made with clear Bioflex Acrylic, non-toxic & allergy free. Gauge: 16G (1.2mm) Wearable Bar Length:8mm Ball size:3mm Package Includes: 10 x Bioflex Acrylic Lip Rings, come with one velvet bag. Description:Material is constructed of high quality Surgical grade Stainless Steel. Simply insert the opening of the hoop through the nostril. Twist and turn through piercing until the flat disc on the end is resting against the inner part of the nostril. 316L Surgical Grade Stainless Steel.Due to the camera and the computer screen showing,the color will be a little different.Please kindly understand.