Diamond Group By Valterra Weatherproof Decor Receptacle Cover By Valterra Weatherproof Decor Receptacle Cover Grey. This cover is both weatherproof and waterproof and is made of durable thermoplastic plastic. It features horizontal 2-screw mounting and covers a broad line of single gang switches receptacles GFCIs and power outlets. These covers are available in grey or white. Features of Diamond Group By Valterra Weatherproof Decor Receptacle Cover Weatherproof decor receptacle cover Thermoplastic construction Features 2-screw mounting Covers a broad line of single gang switches receptacles GFCIs an power outlets Package Contents: Diamond Group By Valterra Weatherproof Decor Receptacle Cover Diamond Group DG52515VP: By Valterra Weatherproof Decor Receptacle Cover By Valterra Weatherproof Decor Receptacle Cover Grey