Sleek, smooth and nonporous, this black glass plug has a perfectly round head that tapers to a slim stem, finishing with a flared safety base. The finger ring design enables precise navigation. Height: 5.06andldquo;, Depth: 1.43, Width: 1.43 Insertable length 3andrdquo;, Insertable diameter 1.29 Made from borosilicate glass andamp; aluminum alloy Immerse in warm or cool water for temperature play Waterproof andamp; submersible