Great quality ( glass material) Adam & Eve brand Anal trio (trainer version). The glass is easy to clean and could be more pleasurable slightly heated or chill ( depending upon your taste).
4.5 inches in total length
4 insert able, with 1.15 inches in diameter.
4.75 inches in total length
4.5 insert able, with 1.35 inches in diameter.
Large: 5.75 inches in total length
5 insert able, with 1.55 inches in diameter.