Multiple Sizes to Choose FromWe offer three different lengths of sealing brushes (0.2", 0.35", and 0.6". The 0.2" long brush is suitable for gaps of 0.1-0.18", the 0.35" long brush is suitable for gaps of 0.18-0.29", and the 0.6" long brush is suitable for gaps of 0.3-0.5". Note: Please measure the gap size of your door or window and choose the correct size product.Strong AdhesionThe self-adhesive sealing strip adopts high-quality adhesive with strong adhesion and can be used for a long time. The backing adhesive is very good and can be used in extreme weather conditions without being damaged or affecting the viscosity due to exposure to sunlight and rain. Bill Saving & AdjustableOur weatherproof door seals help reduce energy consumption, keeping your room warm in winter and cool in summer, thus reducing your electricity bill. Perfect for cutting to the size you need. Multi-functionWeatherproof strip windows are windproof, rainproof, dust, collision, soundproof and energy-saving. It can block cold air or hot air from entering the room, reducing the waste of air conditioning cooling and heating. Simple to use and can be trimmed to the desired size. Suitable for various gaps, such as sliding doors, French doors, glass doors, wooden doors, security doors, windows, cabinets, wardrobes and other gaps High-quality materialThe window seals are Made of environmentally friendly woven material, high-density felt, thick and soft, can be bent without deformation, and are easy to install on doors and windows. The brushes are durable and waterproof, can withstand wear and tear, and have a longer service life.