Glams Black Butt Plug Rainbow Gem by Tails. Fun. cute and colorful. Glams gem plugs bring a little bling to the bedroom. Made of body safe and silky smooth silicone. Glams feature a tapered butt plug with a vivid. sparkling gem. Available in assorted eye catching colors and suitable with all lubricants. Glams are perfect for those precious moments with a partner or making yourself feel glamorous! Product dimensions 4.1 inches by 2.1 inches. Product material Silicone.