Let Our Lady illuminate your day and your night! Introducing the Miraculous Medal Glow in the Dark Sticker, featuring both sides of this beloved medal. The Miraculous Medal was first revealed by Our Lady to Saint Catherine Laboure, who had the medal commissioned. Catholics around the world wear a Miraculous Medal as a reminder of Mary's love for her children, and of the graces she desires to pour out on those souls who ask for her help. Made of waterproof vinyl, these stickers can glow for up to 5 hours after exposed to light. Sticker measures just under 3'' tall / wide, and can used on just about any surface you can think of. These stickers can be especially consoling to children who may have bad dreams.