Rascal™ Toys Ass Rod Anal Training Kit· Three graduated sizes for intense anal training· Small rod is 5.5 insertable inches (14 cm) and 2.5"" (6.3 cm) diameter· Medium rod is 7.5 insertable inches (19 cm) and 2.3"" (5.9 cm) diameter· Large rod is 9.25 insertable inches (23.5 cm) and 3.1"" (7.9 cm) diameter· Heavy duty, solid SensaFirm(R) construction· Smooth, slick, shaft for easy penetration· Flat base for easy mounting· Waterproof