ECONOMICAL & PRACTICAL: A small investment on your windows & doors to improve energy efficiency by sealing gaps and leaks that allow outside air to enter and inside air to escape. GLUED BRUSH WEATHER STRIPPING: This door brush seal is constructed of woven white brush material on 9 mm (glued back) x 5 mm (brush length). HIGH-QUALITY WEATHER SEAL: High tolerance, can be wrapped without distortion, durable and flexible; High-density felt, soft and does not hurt your hand. Fine and tightly woven, less lint, can stand wear and tear. WIDE APPLICATION: Widely used for sliding doors, windows, wardrobes, etc. to help you resist air, water, sound, mold, mildew, dust, and insects from entering the home, giving you a healthy and comfortable living environment. EASY TO INSTALL: Simple PEEL and STICK designed to simplify your weather sealing projects with an effectively tight perimeter around your windows and doors.