? My Sign Center Decal clearly states "Danger High Voltage" ? This decal is perfectly made to warn anyone of a high voltage area ? My Sign Center Decals are proudly Made in the USA. ? This self-adhesive Decal is made from a Premium Grade 4 Mil Vinyl ? Our 4 Mil Vinyl Decals handles great against temperature extremes, abrasion and chemical exposure ? This Decal measures 7" high and 10" inches wide. ? This Decal is screen or digitally printed with UV fade resistance ink and is weatherproof for indoor/outdoor use. ? This Decal is Self-Adhesive with adhesive only on the back.