Harmless and Safe Material: The brush seal is made of thousands of soft polypropylene bristles. Made of 3M glue, high density, longer service life than typical feather rubber bands. Even in an enclosed space, you don't have to worry about the smell affecting your daily life and your family's health. Strong Adhesive: This window seal has extremely strong glue, easy to assemble, adheres well to most surfaces, moisture resistant, provides long-lasting protection for windows and doors. (The seal strips are not recommended for use in oily environments, rough surfaces or in the rain) EASY TO USE: Simply cut the seal to the right length, peel off the backing paper and place the insulation strip in the desired location on the window and/or sliding door. Easy to remove, just peel off the sticker and roll out the air bubbles, without damaging the furniture. Reliable protection: The door and window seals are completely off, dustproof, soundproof, waterproof and insect-proof, so that your doors and windows will be free of noise when opening and closing. Easy-to-install weather stripping can be used on a variety of windows and sliding doors to reduce wear on windows and doors. Provide long-term protection for your home. Wide range of uses: suitable for cabinet doors, wardrobe doors, shower doors, bedroom doors and other gaps between doors and windows.