This slick. temperature sensitive set lets you work your way up with graduated sizes. Each plug features a tapered tip for easy ion. and a flared base that will help keep it in place. The non-porous material is hypoallergenic and safe for those with sensitivities. Phthalate-free and easily sterilized. it is compatible with all lubes and will not harbor bacteria. Heat it up or cool it off with a quick dip in hot or cold water. Treat yourself to erotic bliss with Dosha... Size Small Total Length: 4.5 Insertable Length: 4 Diameter: 1.15 Medium Total Length: 4.75 Insertable Length: 4.5 Diameter: 1.35 Large Total Length: 5.75 Insertable Length: 5 Diameter: 1.55