Easy to Install and CutSuper strong self-adhesive rubber seal strip is covered on one side with a strong sticky substance. Just tear off the red film on the surface to install. After 24 hours of pasting, the door surface weatherproof peeling effect is obvious and will not fall off (no longer affected by extreme temperatures). Note: Clean and dry the surface before pasting, and wipe the door frame surface with adhesion promoter for best adhesion. Packing ListTotal length 40 feet, width: 0.35 inches/(7/20 inches)/9 mm; thickness: 0.23 inches/(23/100 inches)/6 mm; suitable for gaps and gaps from 4/25 inches to 23/100 inches (4 to 6 mm). Thick E-shaped door rubber seal strips have higher sealing performance than traditional door frame E-shaped door seal strips, and are more suitable for large gaps. Please measure the gap size before purchasing. 100% Pure Rubber MaterialOur door stopper is made of high-quality rubber material, which is more durable and flexible than foam or EPDM rubber strips. Rubber Weatherstrip Door Seal Stripping provides excellent temperature resistance (up to 200C), will not become brittle or crack in cold conditions, has a smooth surface, excellent flexibility, elasticity, aging resistance and long-lasting durability. Versatile UsesWhether it is winter or summer, using thick E-shaped door seal strips around doors or frames can greatly help maintain a comfortable home temperature. It is made of flexible material and will not freeze or crack in extreme temperatures. The exterior weatherstripping can block wind, dust, sound and cold, protect windows and doors, and reduce wear and tear on doors when opening and closing. Wide ApplicationsUpgraded clear hot melt adhesive ensures the longest adhesion, simple operation, super easy to peel and stick. First using upgraded adhesion promoter, 3M Adhesive Door Insulation Stripping is widely used in various door sealing and window insulation, electrical cabinets, speakers, toys, furniture crafts, sports equipment, etc.