Small door seal. EDPM. U shape co extruded edge trim combined with a EPDM rubber seal and spring steel core to help protect the interior from wind, dirt and moisture. The steel core enables a strong grip onto the edge but still provides enough flexibility to go round corners. When designing a new application allow for a 50% compression of the bulb for optimum performance. Top tube seal 1-3.5mm grip, 11mm depth, 8mm seal.