Soundproof "Q" Foam Weather Stripping For Door Frames, Easy-To-Install, 19.8Ft. No light ingress - Our weather stripping door seal are made from a dark grey foam core that completely blocks light ingress 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. Improve your living environment - The weather strip has a good resilience and sound insulation effect, which can play a role in blocking the groove, blocking dust, waterproofing and noise reduction, bringing you a healthy and comfortable living environment.