1. Easy To Install: Door draft stopper, begin by cutting the draft stopper's necessary length, then stick it to the bottom of the door, no tools are required. 39' Length door draft blocker for that can go on any kind of door, be it wood, metal, or plastic. (If the door gap is large, you can use the auxiliary glue that comes with it. The provided stickers may peel off from some old doors, please use them with caution.) 2. Perfect Design: Door draft stoppers for bottom of door, ly upgraded bottom integrated flocking Draft Stopper for doors is a design concept. The double layer design makes the clamping edge stronger. The high quality soft material can be cut and curled as desired. The corrugated bottom greatly reduces resistance to the ground. It can be disassembled at any time and washed repeatedly, making it very durable. Additionally, it won't leave any marks on the door or your floors. 3. Save Energy Noise Reduction: Door sweep for the bottom of the door to prevent the leakage of air conditioning and heating, keep your room soundproof. Keep your room quiet, clean, suitable temperature. (If you remove the foil from the door, please heat it with a hairdryer before tearing it off to prevent the door paint from coming off.) 4. Caution: Door seal strip bottom is suitable for flat ground without a threshold, Door bottom gap between 0.15 0.59 inches, and the door thickness between 1.4 2.2 in. The length is 39.37in, The length can be cut at will. please measure the length and thickness of your door. (Note: Not suitable for concrete floors, anti theft doors, uneven floors)