This REALROCK CRYSTAL CLEAR model has been designed with realistic balls for an enhanced life like 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 25 cm (9.8") tall including the suction cup, has an insertable length of 18 cm (7.1") and has a girth of 4.5 cm (1.78").