HIGH ADHESIVE CLOTH DUCT WINDOW SEAL STRIP TAPE​ With high self adhesive backing, sliding door seal can stick firmly, not easy to degum. Perfect as weather stripping tape for window & door gaps, providing reliable sealing against wind, dust, and air leaks. POWERFUL ADHESIVE WINDOW TAPE​ Our window weatherstrip features an exceptionally strong adhesive backing that ensures a secure and lasting bond. This reliable weather seal significantly enhances your home's comfort and insulation efficiency by reducing drafts and maintaining optimal indoor temperatures for window air conditioner units. WIDELY USED​ Cloth Duct Seal Strip Tape is popular in home & office. It delivers great weather stripping performance to block wind and dust, used as sliding door gap seal, garage door seal, door frame weather stripping, window gaps, side gaps on sliding door (windproof, soundproof, shockproof, anti-collision), wardrobe, closet, cabinets, and AC unit side panels. EASY INSTALLATION​ Make sure the surface of the door and window are clean and dry, simply peel off the backing film, stick the weather stripping to the surface, cut off excess parts and press firmly. No tools needed for quick sealing on any smooth surface. ENERGY SAVING​ Cloth Duct Window Seal Strip Tape blocks air circulation, sliding door insulation keeps warm in winter and cool in summer. As effective draft stoppers, it helps block draft, dust, water and light, improving air quality and bringing a healthy, comfortable living environment for your air conditioner space. This industrial-grade black cloth duct tape is a must-have adhesive tool for daily sealing, patching and repairing tasks, built to handle household, workshop, construction and outdoor applications effortlessly. Made of thick, tear-resistant cloth with ultra-strong permanent adhesive, it forms a firm, long-lasting bond to wood, metal, plastic, concrete, drywall and other common surfaces, resisting peeling and lifting even in heavy use. Featuring waterproof and weather-resistant properties, it holds up against moisture and humidity, suitable for both indoor repairs and outdoor projects. This flexible tape tears cleanly by hand with no scissors needed, enabling quick and easy application. It fits snugly on uneven, curved and irregular surfaces for tight, wrinkle-free sealing and patching, ideal for emergency fixes, DIY projects, packaging, binding and gap sealing. A practical and reliable choice for homeowners, contractors, handymen and DIY lovers, this heavy duty black duct tape delivers durable performance and versatile use to get all repair and sealing jobs done right.