[QUALITY MATERIAL]High density PU foam and firmer PE cover make this kerf door seal flexible and durable. It's easier to remove and install and no need to worry about adhesive problem. Suitable for storm door seal and can remain pliable in low or high Temperature.[Resist Compression]It has great compression set resistance and will consistently spring back into shape, resulting in significant energy conservation.[Easy Installation]You just simply insert the plastic flange into a groove or a slot to finish a tight seal and refresh your old door. All can do it by yourself.[LENGTH]3 pieces each 78.7inch/2m Length, total 19.6 Feet/6m. Extra length for more sizes doors, simply trim to length you need. Suitable for groove in the sideway of the door and can be used for Door slit from about 1/4 inch to 9/16 inch (5mm to 15mm). Please measure the slit before purchase.CONVENIENT DESIGN - No need to worry about losing adhesive. Unique inserted design makes it fit well to kerfs even an uneven one; simply insert the white plastic flange into a groove or a slot to finish a tight seal and refresh your old door.Colour: BlackMaterial: PE+PU foam+PVCPackage Contents:3 x weather strippingOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.