This sleek, smooth, and nonporous black glass plug features a perfectly round head that tapers to a slim stem, ending in a flared safety base. The finger ring design allows for precise navigation. Measuring 5.06 inches in height, 1.43 inches in depth, and 1.43 inches in width, it has an insertable length of 3 inches and an insertable diameter of 1.29 inches. Made from borosilicate glass and aluminum alloy, the plug can be immersed in warm or cool water for temperature play and is both waterproof and submersible.