Airtite Systems sells the only adhesive backed outlet sealers on the market today!! Don't be fooled...sealers without adhesive can blow away from the wall and leak air! Many outlets are on walls that are uneven, only a sealer with an adhesive back seals this GAP! The Home Sealing and Insulation Kit contains enough outlet sealers to seal the entire house. The kit contains 22 outlet, 10 switch, 4 GFI/Decora and 2 double switch sealers. Only by sealing ALL outlets can you maximize your savings on heating and cooling costs! Two thirds of your outlet drafts are from outside walls but did you know one third of drafts are on inside walls? If an electrical outlet has a wall plate...Stick 'N' Seal it!! The kit also contains the only under sink waste and water line sealers on the market. The large hole cut in your cabinet or wall for your waste line and 2 water lines is a source of draft. Stick 'N' Seals eliminate this DRAFT! All the sealers are flame retardant and super easy to install.