Features: Material: Flame retardant plasticColor: WhiteSize: As shown in the picture Package includes: 6 x Single Gang Box Extender Electric Box Extender 12 x screws BE1-2 Electrical Outlet Box Extenders What are the advantages of our single gang electrical box extender? Made of durable, high temperature resistant plastic outlet box extender features superior flame retardancy and long-lasting performance, ensuring safety and reliability in any environment Designed for easy, tool-free installation Insulation and safety: The electrical box extension completely encloses the electrical equipment with non-metallic side walls, forming a safe insulation barrier between the equipment and the metal box, and provides better heat dissipation, making it safer for daily use.Versatile applications for any space: The flexible design accommodates a variety of devices, including outlets, switches and GFCI outlets, ensuring that the needs of any electrical system are met.