20 Pcs White Wall Insulation Gasket Rectangle Wall Plate Outlet Sealers Foam Replacement Weatherproof Gasket Sealer Energy Saving for Electrical Outlet Plates Switch Covers

Customers find the wall insulation gasket easy to install and effective at stopping drafts, with one customer noting it blocks about 30-40% of outside air. The product receives positive feedback for its quality, functionality, and versatility, with one customer highlighting its ability to accommodate virtually any application. While many customers report good fit for both switches and outlets, some mention issues with the 3-gang gasket not being sized correctly. Customers consider the product a great value.