Set of 3 Celestial Glow in the Dark Stepping Stones Garden Yard 10" Dia. X 3/4" Set of 3 Glow-in-the-Dark Steppingstones boasts distinctive designs that really come alive at night Phosphorescent portions of each highly detailed cement piece glow in mellow colors at night after exposure to light during the day They bring a sure-to-be-noticed look to a garden, flower bed, stone path or other favorite outdoor space They can also be used as wall decor and come ready to hang with keyhole openings on the back ach stone is 10" dia. x 3/4"