Collectable set of 3 vinyl stickers to decorate your vehicle, water bottle, journal or wherever you want a reminder of Arches National Park. Where does the ARCH abbreviation come from? The National Park Service assigns a unique abbreviation to each park unit to help standardize communications both internally and externally. One of the smaller stickers shows a collared lizard and the other is of Landscape Arch. Large ARCH sticker is 5.25 x 3 inches; smaller ones are 2.5 x 1.5 inches.