Larger Size for Larger Gaps: This Large Size Weather Stripping fits gaps from 1/4 inch to 3/4 inch (8 mm to 19 mm), ideal for larger door gaps. This listing is for Large Size only, so please confirm your size before ordering Upgraded Design: This Large Size door seal features an improved V-shaped design with a water droplet-shaped end to extend the sealing area, providing a secure, long-lasting seal without falling off or shaking Fits Kerf Grooves-No Glue Needed---Designed for kerf grooves in wooden doors, this weatherstrip has a built-in plastic flange that easily inserts into the groove. No adhesive is needed, making installation clean and simple Easy Installation: Simply clean and dry the surface, insert the weatherstrip into the gap, and press the plastic flange into the groove. Then,cut the weatherstrip to the desired length. No glue, no mess Durable and Long-Lasting: Made of high-quality Polyurethane, this weatherstripping is tear-resistant, heat-resistant, and durable for long-lasting use, even in harsh weather conditions Specifications Color: Black Size: 18.3m (60Feet) Weight: 680g Material: Polyurethane Performances: Wear-resistant, aging-resistant, corrosion-resistant, other Package Contents: 1 Roller door sealing strip