Measures approx 3 1/2" Wide with 1/4" "T" width. Conforms to uneven floors. Helps saves money by reducing energy loss year round. Keeps water, dirt, snow, leaves and other debris out.Technical:Flexible black rubber vinyl to conform to your door floor. Low temperature design helps prevent seal from freezing to floor. Compatibility:Works on most commercial industrial and residential sectional garage doors using a 3-1/2" wide weather seal. Some brands include Amarr, Clopay, Midland, North Central, Garaga, Overhead Door, Ideal, Raynor, Martin, Ankmar, Genie, Wayne Dalton 8500, TS150, TS200, 5155, 5150, 5255, 5200, 2411, 2415, 216, 220 Includes:Order by the foot. We always advise ordering an extra foot or so beyond your doors width. Shipping & Availability:Normally item will ship within 24-hours