PE rubber sealing Lengthened the gate life, reduced the noise. Absorption of shock, PE rubber sealingAdvantage Lengthened the gate life,reduced the noise. Absorption of shock, isolate the room air both inside and outsideFaction: 1 Most obvious is quakeproof, timely installs it after door shield reduced (even vanishes) closed (window) when collided the sound2 And lengthened the gate life, reduced ...