Raid® Bed Bug Foaming Spray kills Bed Bugs and their eggs before they hatch. Foam expands into hard-to-reach places to kill Bed Bugs where they hide and keeps killing Bed Bugs for up to 4 weeks on surfaces. Effective against Pyrethroid-resistant Bed Bugs. Can be used on mattresses, upholstered furniture and carpet and will not stain water-safe fabrics and surfaces.