Key benefits - Creates a tight, year-round seal around doors to block drafts, leaks, and moisture - Improves indoor insulation for winter and summer - Reduces noise and prevents small animals from entering - White foam core provides superior elasticity for a durable, long-lasting seal Material and construction - Environment-friendly PU plus foam - The white foam in the middle is a highly elastic polymer material, distinct from other components Function and compatibility - Indoor sealing and insulation for winter and summer - Kerf weather stripping for doors to prevent air and water leaks, reduce noise, and deter small animals Easy installation and applications - Flange design for simple installation by aligning with the cut door frame - Compatible with a wide range of locations and door types: aesthetic door, frost king window, exterior door, patch door, door corner, sliding glass door, and more - Used for weather stripping, insulation, weather seal, door trim, door strip, and related purposes Use scenarios - Exterior door in winter: seal gaps to keep cold air out and warm air in - Interior rooms: reduce drafts and noise between doorways - Sliding glass or patch doors: seal gaps around frames to prevent moisture and pest intrusion