T style: 5/16" t end, 3 3/4" width, 10 long.Seal Insulation,The Garage door universal sealing strip, heavy duty parts.Material: Made with flexible rubber. Durable material, could work for a long time. Upgrade isolation: With 7 insulation round layers, it could reduce sound up to 5 times. Seal your interior and exterior door, keep your garage warm.For keeping moisture,cold air and leaves out of your garage Will not crack, move, or shatter despite temperature extremes. Material: Made with flexible rubber. Durable material, could work for a long time. Stays good from -40° to 140°. Easy to install:Replace existing and old bottom weatherstripping. No screw or nail needed to install this black garage door sealer kit.uses the most heavy duty professional grade rubber on the market- this is NOT the cheap chain store rubbers. Easily adjustable:Up to 10' long ( about 3 meters ), you could cut this strip to adapt your floor threshold less than 3 meters., Manufacturer: keeping fun