The Ringless Blue Cracker butterfly is native to South and Central America and comes from the genus Hamadryas. These butterflies earned the nickname "crackers" for the males' ability to make a crackling sound--likened to cooking bacon--when taking flight This sticker measures roughly 2 x 2 inches and is die-cut to minimize extra material. These are professionally printed on high quality, UV resistant laminate, so they can be applied indoors or out. They are heat and water resistant and dishwasher safe. Stickers are bulk packaged loose in paper envelopes for shipping.