Description: 【Easy Installation】: The wall plates outlet sealer without the use of cutting tools, installation of socket insulation is simple and convenient in minutes, saving time. 【Great Material】:This wall plate outlet sealer is constructed with EVA insulating material, the outlet gasket insulation is lightweight soft, and sturdy, so you can use it with confidence, serving you for a long period. 【Product Size】: The wall plates outlet sealer is approximately single gang 4.21inx2.48in, double gang 4.21inx4.29in, triple gang 4.21inx6.18in and fits most outlets and switches. 【Keeps the Draft Out】:The wall plates outlet sealers by blocking ventilation, and ventilation seals help maintain a constant temperature, improve comfort, and reduce energy consumption. 【 Firm Use 】The wall plates outlet sealer is strong, resilient, and can be used in any room of the house. Specification: Material: EVA Package Includes: 20 Pieces Wall Plates Outlet Sealers (including  10 Single Gangs,  5 Double Gangs,  5 Triple Gangs)(3 Pack) Note: Please allow slightly errors 1-2cm differences due to manual measurement.