Includes 1M of solid square NBR sealing strip, size refers to Length * Cross-section. Widely Application -- Black solid square sealing strip can be used as a weather-strip, as a seal around air conditioners, as a gasket and to cushion and stabilize major equipments on cars, trucks and boats, construction sector, electronics industry and so on. Material -- Crafted from resilient NBR material, the black square sealing strip is designed to effectively seal out both cold and hot air, while also providing insulation against vibration and noise. High Resilience -- Known for its quick rebound, the black NBR square sealing strip maintains its form after being compressed, providing enduring protection against machine shocks. Energy Saver -- The air conditioner weather stripping acts as a barrier against unwanted cold and hot air, which in turn helps in reducing energy consumption and improving the overall comfort of living spaces.