Three-piece silicone anal plug trainer set features a satiny finish. Graduated sizes for extra comfort. with a curved ergonomic base for easy wearability. Can be warmed or cooled for additional sensation. Each plug is unscented. non-porous and hypoallergenic. 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.