Self-Adhesive door and window seal is an easy DIY home improvement to help seal cracks and gaps in window and doors to lower heating and cooling costs. Blocks drafts, wind, dust, sound, insects and more. Self adhesive backing and seal are weatherproof, and age resistant providing your doors and windows with long term protection. No tools required to install. Also actively works as an anti-collision barrier for your door, reducing wear on window and doors while opening and closing. D-Type foam seal strip measure approximately 100"L (8.33 Feet) x .75" W and can seal gaps up to 5mm. Can be easily trimmed to size and the two ply design can be pealed apart for narrower door trims