1.1. HIGH QUALITY MANUFACTURE Size: 11/16 inch x 3/4 inch, Fits range 3/64 inch to 3/8 inch edge. The U shaped edge guards made of durable PVC plastic trim combined with EPDM sponge rubber bulb seal. Individual metal clips retain a permanent and strong grip. The bulb has better heat absorption and noise reduction effect than without bulb. 2.2. THE BENEFITS OF THE BULB The interior metal has excellent bite force. The side of the bulbs which make door close more tightly, and strengthen the anti collision and high temperature resistance performance. It even reduces the noise of wind and shock absorption when you drive car at high speed. Seal, against corrosion and prevent leaks. 3.3. WIDELY APPLICATION Could be used as automotive door seals, RV compartment seals, pickup truck seals, boat hatch seals, door seals, storage container seals, tool box seals and heavy duty seals. Replace the old and make your car more sealed. It can be sound proof, waterproof and dust proof to the vehicle. 4.4. EASY INSTALL No glue and no installation experience required. This trim seal is easy to install and creates a finished decorative edge seal look that is durable and protects car against many outside elements. Disassemble at will and installed repeatedly. It still retains a strong bite.