These static clings hold 2 x 3 1/2 (H x L) signs. The non-glare lexan cover ensures that your inserts are clean and visible at all times. These static clings have a slit in the back that makes it easy to change your signs. The adhesive allows the display to attach to any clean, smooth surface. Additionally, if the adhesive loose its tackiness, simply run under water to reactivate. These static clings have a black trim.