This model has been designed with realistic testicles for an even more lifelike experience. All come with a sturdy suction cup so you can stick them to virtually any smooth surface. All are body-safe and non-porous, making them easy to clean and giving them a longer shelf life. This model with testicles measures 17 cm including the suction cup, has an insertable length of 12.5 cm and a circumference of 3.1 cm.