SIZE: : Length : 93cm, width: 9.2 cm, height: 2.5cm. Flexible, suitable for general doors. Sound insulation cavity design, sound insulation. MATERIAL: : It is made of pearl cotton and foam, very soft, elastic, waterproof and wear-resistant, and does not deform. Can wrap the bottom of the door well. ENERGY SAVING: : Door sealing strips can be used for exterior noise protection, cold, dust and wind insulation. It is made of soft material and can protect door and floor from scratches. EASY TO INSTALL: : Simply insert it under the door. No glue is needed and the door and floor will not be damaged. No adhesive needed, can be cut to size. MULTI-PURPOSE: : The bottom of the door can insulate all doors: front door, back door, garage door, bedroom door, bathroom, living room, bedroom, etc. Suitable for tiles, parquet or carpets.