[Universal Size] Bottom Door Roller Length: 96cm. Sound insulation, mosquito repellent and windproof design. Each piece can be cut along the cutting mark to meet your needs more flexibly. your different needs. [Update version; level] Compared; to ordinary styles in the market, our insulation threshold to double layer is composed of of EPE foam cotton + non-woven fabric, which is very soft, elastic, waterproof and tear-resistant. wear, and will not deform. [ÉEnergy Saving] can be used for outside noise reduction, cold weather protection, dust protection and wind protection, keeping the room cool or warm , thus reducing electricity bills. [Easy installation] Just insert it under the door without glue. It can wrap the bottom of the door well and protect the door and floor from scratches. Suitable for tile, parquet or carpet. [Wide Uses] In addition to your front door, back door, garage door, bedroom door, bedroom door, bathroom, it is also suitable for windows to prevent ventilation and seal in hot and cold air.