The sizes: (measured at widest & longest points) Medium 1.244 inch wide by 6 inches long Application Instructions: 1. Clean the application area with alcohol or soap & water. Make sure to remove all the soap. Do not use window cleaner, or furniture cleaner. It can leave a film behind that could keep the adhesive from sticking. 2. Using a squeegee, credit card, or fingers, press firmly on the decal to ensure that the decal sticks to the application transfer tape. 3. Peel the paper backing away from the decal. 4. Apply decal to cleaned area, pressing firmly using squeegee, credit card, or fingers. GtarTat2s decals stay on until you decide to pull them off. Any excess adhesive can be quickly, and easily removed with a rag and rubbing alcohol. One(1) Color F Hole Decal Sticker Set. Sold in pairs. Put them on any type of Guitar, Bass......binder, notebook, car, truck.....anywhere you choose. American Crafted from G'TarTat2s. Made for Musicians, by Musicians! Fits on most any guitar, or bass. Quickly turn your boring old instrument into an exotic work of art.