3 piece anal plug trainer set. Graduated sizes for extra comfort.Curved, ergonomic base for easy wearability. Can be warmed or cooled for a variety of sensations Ultra-premium SiliconeSilk feels like velvet on your skin . Care: Clean with soap and warm water or toy cleaner. Use only with water-based lubricants. Materials: Silicone. Small plug measures 3.25 in. long, 2.125 in. insertable, 0.875 in. wide. Medium plug measures 3.875 in. long, 2.5 in. insertable, 1 in. wide. Large plug measures 4.75 in. long, 3.125 in. insertable, 1.25 in. wide.