Multi-Purpose Door Draft Stopper: The under door draft stopper can effectively block airflow, prevent cold wind from invasion and heat loss in winter, keep the room cool in summer, and ensure an ideal room temperature environment. The self-adhesive under door seal can also block light, dust, insects and odors, etc., and has a certain sound insulation effect. It is very suitable as a windproof sound insulation strip for exterior doors. Triple-Layer Hollow Design: Our door draft stoppers for bottom of door adopts a triple-layer hollow structure that evenly pressure during floor contact when opening the door /closing the door. There is a 1mm groove in the center of the door sweep, which can be bent and adjusted, extend service life while making door opening and closing smoother High-quality Material: Door sweep for bottom of door is made of silicone material, wear-resistant and aging-resistant. Compared with other ordinary rubber weather stripping door seal, the unique three-layer hollow structure and the 1MM grooves in the center can greatly reduce friction with the ground, bear uniform pressure and does not deform, making it safer and easier to use. Strong Self-adhesive: The door weather stripping use a self-adhesive back with a 2 cm wide adhesive layer, which can be firmly adhered to the bottom of the door and is not easily dropped. Door drain burrs joints from 0 to 3 cm, suitable for all types of doors. Please note that the door seal should be slightly higher than the floor during installation. Widely Applicable: Door sealing strip can be used in various materials such as wooden doors, metal doors, glass doors, etc. Whether it is sliding doors, bedroom doors or entrance doors, they can effectively block airflow and light and prevent insects from entering the door. They are very suitable for bedroom and apartment essentials and are a must-have for every family. Are you having a problem with the gaps for the door? Our sealing strips are one of the perfect solutions: Features: 1. Door noise blocker can reduce noise on both sides of the door and keep your home quiet! 2. Door insulation strip can effectively block airflow, prevent cold winds and heat loss in winter, keep the room cool in summer, and ensure an ideal room temperature environment. 3. Door light blocker can prevent light, insects and unnecessary animals from entering the door. 4. The door gap filler is made of silicone material, which is highly elastic and wear-resistant, and can be used safely for a long time. 5. The three-layer central control design makes it evenly subject to stress, reduces the friction between the door crack and the ground, and does not deform. Specifications: Color: Black, White Material: Silicone Rubber Sealing gap: 0-3CM (0 to 1.18inch) Length: 1M/2M (39inch/78inch) Warm tips: 1. In cold weather, we recommend heating the adheren with a hairdryer before installation. 2. If the outer face of the wall is rough or hurt, the door seal may not work properly. 3. Make sure to keep the door dry and tidy before installation. 4. Please press the door seal to make it firmly stick and keep it dry for 24 hours.