When you are finally ready for thrilling backdoor play, Gläs's 3-piece Glass Anal Training Set guides you through your sexual exploration journey. Ideal for beginners or anyone interested in expanding their anal pleasure options, this set starts with a small plug that's just over 4 inches. The Medium plug that measures 5 inches follows when the user is ready to move up to the next level of play. Finally, the large plug is 5 1⁄2 inches high. Each plug in the set makes you ready for the next bigger plug until you feel satisfied.