Under door sealing strip, space sealer, door bottom sealing strip reduce the noise from outside and the sliding door slamming, give you a quiet and comfortable living environment. used on windows & doors to improve energy efficiency by sealing gaps and leaks which allow outside air to enter,and inside conditioned air to escape all season protection against moisture,drafts,dust and insects. easy to cut and easy to install, no need specialist tool. length 0.95m door bottom sealing strip under door draft stopper home dorm bedroom sound proof noise reduction door eva draft stopper.