This set of three plugs gives you the best in variety of size and texture! With three graduated sizes of small, medium and large, you can train your derriere to take bigger and wider toys! Additionally, you can have fun doing it and explore more sensation by enjoying the variety of textures offered in this set! Each plug is firm and flexible for your comfort and enjoyment! The small plug has a ribbed texture. The medium plug has a corkscrew line spiraling around the shaft. Finally, the third and largest has a larger head and dips along the shaft that end in a large, round bottom. These dips allow for your sphincter to experience stretching and contracting a few times with every insertion!