iMBAPrice BES1-2 (2-Pack) 1-Gang Non-Metallic Shallow Surface Box Extender, White

No need to remove the existing shallow box, just attach this Non-metallic box extender adds height and depth to an electrical box | Finishes with any standard 1-gang wall plate. Fast, easy and convenient, so you save time and money | Non-Metallic Box Extender, extends a shallow box 5/8 inches. can be used for indoor and outdoor applications basically, anywhere you need a box extender | Allows you to install larger devices such as GFCI"s in shallow boxes, Made of heavy-duty, non-conductive plastic | Dimension: Height 5.117-Inch x Width 3.336-Inch x Deep 0.625-Inch.