Eaton Wiring 1-Gang Decora Wall Plate, Mid-Size, Screwless, Black Features:

• Screwless wall plates appear to float freely on the surface of the wall.
• Designed for quick, easy installation.
• High gloss finish.
• Mounting plate attaches to the wiring device & the wall plate can be pressed into place.
• Multi-gang configurations are also available.
• Mid-Sized to cover up wall imperfections & large wallboard openings.
• Dimensions: 3.10" (L) x 4.88" (W) x .29" (H).