INSULATION MATERIAL - These foam outlet gaskets are made of EVA foam material, which is lightweight, windproof, soft and heat insulated.KEEP TEMPERATURE - These outlet gaskets can well seal the electrical wall outlets and switches to prevent the air flowing through.SUITABLE SIZE - Foam socket insulation sealer includes various sizes to fit your socket. Please confirm the appropriate size of your switch and socket before purchasing.MULTIPLE TYPES - There are 4 different types of wall plate insulation gaskets, single gang, double gang, triple gang and quadruple gang.EASY TO INSTALL - It only takes a few minutes to apply the foam outlet insulation pads. Just use a screwdriver to remove the wall panel, firmly fix the gasket on the switch, and then tighten the switch cover. Product Name: Wall Plate Outlet Insulation Color: white Material: EVA foam Specifications: 10 pcs rectangular outlet insulation gaskets, 4 pcs double gang light switch insulation gaskets, 4pcs triple gang, and 4 pcs quadruple gang Features: easy to install: it only takes a few minutes to apply the foam outlet gasket. Just use a screwdriver to remove the wall panel, firmly fix the gasket on the switch, and then tighten the switch cover