This listing is for a 5-pack of Frost King RS6H Fire Retardant Plastic Foam Sealers for Square Electric Switches. Each package contains 6 individual foam sealers, designed to reduce drafts and heat loss around your electrical outlets and switches. These sealers are 2 1/2 inches wide by 4 inches high, making them suitable for square decorative switches and also fitting GFI (Ground Fault Interrupter) outlets. Easy to install, simply remove your existing cover plate, press out the pre-cut insert from the sealer, place it in position, and re-attach the cover plate. Improve your home's energy efficiency with these Made in USA insulation sealers.