Product function: the door corner bottom seals are intended for sealing the gaps around your door frame, effectively blocking out wind, rain, cold air as well as moisture and dust, making your room more comfortable to be in | Easy to install: the size of this door corner bottom seals fits most door frame specifications, with adhesive on the back, you can directly peel off the white backing paper and stick the corner bottom seals wherever you need | Package includes: sufficient quantity of quality self-adhesive vinyl and foam windproof door frame seals, which are 5.1 cm/ 2 inch long, 4.5 cm/ 1.78 inch wide, and 0.6 cm/ 0.24 inch thick, sufficient amount for you to use for long term | Durable to use: there's a layer of firm adhesive backing of this door frame sealing strip, apply it after you clean the door frame and the door itself, the seal won't easily fall off and can stick well for long time | Help reduce consumption: these door frame seals can seal tight the corners around your door to well protect the door frame and avoid the air from passing through, thus make sure the heating or cooling machine inside your room work more efficiently and saving the energy