Multi-functionThis indoor weather stripping with strong resilience after extrusion, good for collision avoidance; great for preventing wind, dust, sound, cold, protecting the window and door, and reducing the abrasion and noise effectively on window/door while open and close. Package contentThis weather stripping comes with 2 seals, total 12M (6 meters x 2).Width: 9 mm, thickness (division size):6mm. The corresponding gap size is approximately 3.5 mm to 5 mm. Each roll tape can be divided into 2 seals(6M *2). High qualityEquably Foamed by EPDM, same smooth interior and exterior, excellent flexibility, high resilience, super durable UNIQUE unique grid adhesive backing - stick firmly, give your doors and windows long time, Please be sure to clean and dry the surface before applying for better performance. Usage&applicationOur window door seal strip comes with adhesive, and it can be cropped according to your actual doors and windows size. widely used in all kinds of sliding door, sliding window, closet door, security door and etc, reduce damage of your doors and windows. Give you a quiet and comfortable home. Warm tips This weather seal strip is attached to the center of the center and is divided into two 9mm wide tapes when centered in the vertical direction. Please tear it vertically before working. If any problem or question, please feel free to query us through Buyer-Seller Messaging, we will resolve it.