About this item No light penetration: Our door seals are made of high-density foam core material, which effectively blocks light from penetrating around the door. Lower Energy Costs: This weather stripping protects your home from air leakage in both winter and summer, while increasing comfort and saving energy. Fits Most Doors: Door seal strip are flexible to fit slots from 0.35" to 0.59" and will fit most doors. Please check the slot you need to seal before ordering. Easy to Install: The door seal requires no adhesive and will not leave marks. Simply insert the door strips into the grooves or recesses to complete a tight seal that will not fall off easily. Enhance Your Living Space: The weather strip offers good resilience and sound insulation, effectively sealing gaps to block dust, water, and reduce noise, creating a comfortable and serene living environment. › See more product details