DescriptionThis flame retardant gasket for sockets is made of rubber insulation, non-flammable and safe. It is designed to fill gaps and prevent air from entering, so as to achieve the purposes of preventing smoke and fire from spreading. It has a simple structure and light weight. It is widely used in lamps, switches, fire doors and windows and building structures, bringing you great convenience.Features- Color: black. - Material: rubber. - Size: 8.20X8.20X0.10cm/ 3.22X3.22X0.04inch. - Proper size, fits most sockets and switches nicely, bring you much more convenience. - Made of rubber insulating material, it is non flammable, safe and has good resilience. - Filling the gaps to prevent air into, so as to achieve the purposes of preventing smoke and prevent the spread of fire. - Easy to use with the simple structure and light weight, save your time and efforts. - Widely applied for lamps, switches, fire doors, windows and building structures.