KEEP HOME CLEAN, COZY & QUIETFill the door bottom crevice; no moredust, noise or insect – Keep the room quieter & cleanerSAVE ENERGY & MONEYBlock the cross of hot & cold air, makes heating and cooling more efficient & reduce electric cost.EASY TO USEConveniently moves with the door – no need to constantly bend down to re-position.ADHESIVE-FREEJust go along one end through the gap in the door’s bottom no screws, nails or glue. HIGH QUALITYHigh-quality material, odourless, waterproof & durable, soft, will not damage floor & door.