5 pack, 5″ x 5″ professionally printed security stickers are a great way to help deter burglars. We print in house on high quality outdoor vinyl and only use the best inks. Quickly shipped from the USA. They will last for years. Be sure the surface is smooth, clean and dirt/grease free. Please contact us with any issues before leaving a negative review. We will help in every way possible to correct any problems.