Flexible adjustment: up to 6 m long, you can cut this strip to fit your floor threshold of less than 6 meters. 3.5" wide, 20ft long. Dustproof Insulation: The universal garage door seal strip can prevent water, rain, snow, dust, dirt and leaves from entering the garage. The 1/2 inch high profile forms a tight seal with the door for a cleaner, drier, quieter garage. Energy saver for homes and businesses with attached garages. Sealant/adhesive not included. Excellent durability: Made of soft rubber, durable non-toxic, energy-saving and eco-friendly material. The EPDM rubber material is specially designed to withstand extreme temperatures, harsh weather conditions and daily driving. This seal will not crack, dry out, break or move when properly installed. Reduces the damaging effects of condensation (rust) and prevents wind-blown rainwater from entering the garage. Easy to install: These garage door sill seals install quickly and simply. Each joint measures a little longer to ensure you have just the right length.