Seal and block unwanted wind, water, light and sound! ?a Simply use the draught strip around your door or window frame to greatly help maintain a comfortable temperature in your home. It is made of flexible material that will not deteriorate or crack in extreme temperatures. Use with other brands of weatherproofing products to make your home more comfortable and energy-efficient all year round. It seals medium gaps from 14'' to 38''... the better material! The seal strip is made of specially formulated rubber that performs well in low temperature environments, has an extruded resilience coefficient and durability. It can be used for indoor and outdoor applications, for commercial or residential doors, to help control your environment... a quick solution! No tools or experience required ?a The seal strip comes in 18-foot lengths. If the length of one roll is not enough for use, just buy more rolls to extend. One side of the super strong self-adhesive door and window seal strip is covered with a strong sticky substance. Just tear off the yellow film on the surface to install. It is suitable for doors, windows, car trunks, hatches, electrical enclosures, coolers, covers, etc. Special soundproofing hole design- Unlike other seal strips, the seal strip adopts a special design with multiple holes. The holes always reduce the sound transmission on both sides of the door and absorb part of the sound waves to reduce the noise. In addition, these holes can effectively reduce the pressure between the door and the door frame when the door is closed, thereby reducing the sound of the door closing.