Materials: 100% top medical grade Silicone. Insertable size 6.89 inches insertable by 1.57 inches in width. Total size 7.87 inches in length. How to use: prepare by applying a water based personal lubricant to dong. Motion non-vibrating. Cleanse and care run water and apply a mild soap or wipe with a choice toy cleaner. Let air dry. Always clean before and after use.