Can be cleaned by boiling or in top rack of dishwasher

T-bar base fits comfortably between cheeks
Made of body-safe, hygienic silicone 3-Piece set: Beginner, Intermediate, & Advanced sizes
100% latex-free and phthalate-free

Item Dimensions:

Beginner:
Insertable inches: 3.5 in. (8.89 cm)
Item Width: 3.25 in. (8.26 cm)
Item Height: 4 in. (10.16 cm)

Intermediate:
Insertable inches: 4.25 in. (10.79 cm)
Item Width: 3.25 in. (8.26 cm)
Item Height: 4.75 in. (12.07 cm)

Advanced:
Insertable inches: 4.3 in. (10.92 cm)
Item Width: 3.75 in. (9.53 cm)
Item Height: 5.5 in. (13.97 cm)