The Sinclair Institute Select Anal Explorer Set is a new set of butt plugs perfect for couples starting to explore anal play. Included are 3 sizes of butt plugs: 2 insertable inches (5 cm), 2.5 insertable inches (6.3 cm), 3 insertable inches (7.6 cm). The finger holes also make them easy to use and angle correctly. As these butt plugs are made out of non-porous silicone, they are ultra hygienic, waterproof, and phthalate free. The Silicone Institute Select Anal Explorer Set can also be submerged into cold or hot water, creating new sensations. Easily clean the plugs by boiling them in water or even washing them on the top rack of the dishwasher.