1. Remove the red film.Material: Silicone rubberCorrosion resistance, high temperature resistance, wear resistance2. Clean the door and make sure there are no and oil on the door and keep it dry.The sealing is 0~30mm, and each door is about 2×39 inches. It can be used for all kinds of inner and outer doors, and can be installed quickly within 2 minutes. It can also be cut to different sizes as needed.Self-adhesive for easy installation and sticky persistence,and it Will not peel,crack or lose its shape.3. After the installation is complete, press the item firmly to make it stronger.Door bottom and window seal: Non-toxic and environmentally friendly material, excellent flexibility, silicone flexible seal, good for family use.Wide applications: Used for frameless sliding doors, glass doors, door bottom ,plastic-steel windows and aluminum windows ,cupboards, wardrobes ,furniture,sliding door, shower room.Color:WhiteSuitable for all kinds of doors and windows, windproof, control, prevention, sound insulation, make your life better.Note: The part of the glue should not water or oil, otherwise it will lose its viscosity.Package including：Keep the noise and odor off the soundproof three-layer design, reduce the annoyed sound up to five times, and and bugs, cockroaches, spiders, and stay away from your home.1X Seal StripSize:5x100cm/2×39 inches