- Multifunctional door seal with good elasticity and anti-collision - Effectively buffers the impact when opening and closing doors and windows - Reduces outside noise and cold/hot air leakage - High-density polyurethane foam for better sound insulation - Easy installation without the need for adhesive tape - Suitable for most plastic, aluminum, and wood doors and windows - Measurements: 12 mm wide × 7 mm maximum height, 5 mm end, 4 × 4 mm insertion tab; suitable for 3–4 mm grooves and 2–6 mm gaps.