- Advanced Draft Blocking: Our upgraded door draft stopper features a double-layer design with a bottom integrated flocking that enhances the clamping edge. Made from high-quality soft materials, it can be easily customized by cutting and curling to fit your needs. The unique corrugated bottom reduces friction with the ground, allowing for effortless movement. - Easy Installation: Designed for smooth indoor floors, this draft stopper is incredibly easy to install. Simply open both sides and slide it into place along the bottom gap of your door. Trim any excess length to achieve a perfect fit. For larger gaps, use the included auxiliary glue for added support. - Energy Efficiency and Sound Insulation: This draft stopper is an effective solution for blocking drafts, helping to bridge heat gaps and reduce energy costs. It also provides excellent sound insulation, making it ideal for creating a quieter home environment. Enhance your home's energy efficiency with this versatile insulation strip. - Compatibility and Sizing: Suitable for flat ground surfaces without a threshold, this draft stopper works with door gaps ranging from 0.15 to 0.59 inches and door thicknesses of 1.37 to 1.96 inches. Measuring 39.37 inches in length, it can be easily cut to the size you need. Please measure your door's dimensions accurately before installation. Note that it is not suitable for concrete floors, anti-theft doors, or uneven surfaces. - Practical Applications: Use this draft stopper in residential settings to keep your living spaces warm during winter and cool during summer. It is also effective in offices to minimize noise distractions, creating a more productive work environment. Perfect for any room where temperature control and sound insulation are priorities.