Door Magnetic Kerf-In Weather Stripping - White,1 top piece 36" x 2 sides pieces 84" Use on a steel-faced door to seal the top and sides to protect against air, dust, water and sound Magnetic kerf-in weatherstrip features a magnetic strip encased by a UV-stable TPE cover Minimum space between the door face and the stop is 3/8", maximum space is 7/16" Can be trimmed in the field and corner-mitered Includes 1 top piece 36" long and 2 side pieces 84" long