Durable, easy to work with, and long-lasting, this seal is the perfect product for your RV project. Here at RecPro, we want you to have the best RV experience you can, which includes helping you fix up your seals. This specific seal is a vertical bulb seal that measures .48" wide by 1.275" high (.645" high for the bulb). It is a trim seal with a hollow bulb made of nitrile rubber. This trim is resistant to chemicals and temperatures. It is soft and flexible for easy installation. The trim comes in the color black, which fits most RV models on the market today and gives it a nice, clean finish. Looking for the perfect seal for your RV project? Well, look no further than here at RecPro.com. Dimensions: .48"W x 1.275"H (.645"H bulb) Trim seal "D" seal Material: nitrile rubber Tensile strength: 2500 | Minimum temperature: -60°F Hollow bulb Chemical resistance |Highly UV-resistant Used for sealing compartment doors, truck caps, and glass edges Soft and flexible for easy installation