Anal Plug Trainer Kit is 3 in 1 design. Start with the small, beginner-friendly plug to wet your whistle for anal play. Then move on to the medium plug to challenge your rear with a longer and thicker shaft. And then graduate to the large plug to push your anal limits to the max! This is an unisex adult sex toy for anyone who want to have fun in anal play. If you are male, butt plugs can stimulate prostate, and if you are female, plugs can create incredibly pleasurable pressure on the back vaginal wall. Build up your anal comfort level and anal expertise with this beginner-friendly butt plug trainer set! Tips: 1. Use this Anal Plug Trainer Kit with lubricant. It will be more comfortable, easier to insert, and have a better sex experience. 2. This product is for individuals and couples to use, please note hygiene before and after use.