The ultimate challenge for all master ass players!
If you're looking for a really full feeling, look no further than the Butt Bubble! This plug is completely round, which of course is not a common shape for butt plugs. And it's huge! The Butt Bubble is 6" tall (5.25" insertable) and 4.75" thick (15.75" around). The neck is long enough to allow it to stay in place, and the large flat base creates a very strong suction on any smooth surface.