23 is the sacred number of Discordianism. All Hail Eris@ All Hail Discordia! Textured deep teal wenty-three sided polygon with the number 23 in beaten copper.
This round rubber coaster is made of a durable heat-resistant polyester fabric top, backed with a neoprene rubber non-slip backing, which keeps things from sliding. It measures 3.5" in diameter and 1/8" thick. It will not discolor or fade, machine washable.