• Three graduated sizes for intense anal training
• Small rod is 5 insertable inches (12.5 cm) and 2.5" (6.25 cm) diameter
• Medium rod is 8 insertable inches (20 cm) and 3.5" (9 cm) diameter
• Large rod is 9 insertable inches (22.75 cm) and 4.75" (12 cm) diameter
• Heavy duty, solid SensaFirm® construction
• Smooth, slick, shaft for easy penetration
• Flat base for easy mounting
• Waterproof