This REALROCK CRYSTAL CLEAR model has been designed with realistic balls for an enhanced lifelike experience. All come with a sturdy suction cup so you can stick it to practically any smooth surface. All REALROCK CRYSTAL CLEAR are phthalate-free latex-free body-safe and non-porous which makes them easy-to-clean and gives them a longer lasting durability. This model with balls stands 19cm (7.4") tall including the suction cup has an insertable length of 15cm (5.9") and has a girth of 3.5cm (1.4").