This 4 steps anal training system comes with 4 high quality, silicone plugs. This set is perfect for folks with some anal experience - I wouldn't start here if I was a beginner. The plugs are very smooth, with no imperfections and have a nice, sturdy round base. I was very confident while wearing that these plugs wouldn't disappear or slip out. While using a good amount of water-based lube, these plugs stayed slippery during play. Using solo or with a partner, this kit is sure to enhance your experience and expand your horizons. I am totally satisfied with this purchase and wouldn't hesitate to buy it again.