Dimensions - 9x6mm (0.35x0.24in), suitable clearance: 2-7mm (0.08-0.26in). 1 pack contains 2 seals (2.5M x 2). Total 2-pack, 33 feet long (2.5M x 4). You can split it into single covers with narrow sides. High-quality sealing strip - EPDM is evenly foamed, uniformly smooth inside and outside, extremely flexible, high rebound, and ultra-durable Unique Mesh Backing - Suitable for windows and doors, features a strong mesh backing that adheres firmly to provide long-lasting protection for your doors and windows. Multifunctional - windproof, dustproof, soundproof, insectproof, coldproof, protects doors and windows, and reduces the wear and tear of door and window switches. Waterproof, windproof, and excellent aging resistance Wide application - widely used in various sliding windows, sliding doors, security doors, wardrobe doors, etc. to reduce damage to doors and windows.