Is that the universe in your rear end? No. it's the Glas Galileo Butt Plug that is ethereally beautiful and intensely pleasurable. This bulbous. handcrafted plug is hypoallergenic and easy to clean. Can be heated or cooling for extra stimulation. Compatible with all lubricants. Total length is 3.75 in.. 3.5 in. insertable. 1.5 in. width.