This set of two RF Microwave Absorbers from EMI Absorber is a must-have for anyIndustry and science lover's toolkit. These absorbers are made from high-quality materials and have a black color. They have a size of 7.88inchesx 7.88inches x 0.04inches(200*200*1.0MM) and have an adhesive backing so they can be easily attached to any surface. These RF Microwave Absorbers are designed to absorb electromagnetic interference (EMI) and radio frequency (RF) energy. This helps to reduce the interference and ensures that your electronics are functioning properly. They are ideal for use in a variety of applications, such as in broadcasting, radio communication, and other electronics.These absorbers are easy to install and are designed to last for years to come.They can be used in both indoor and outdoor settings, making them perfect for any situation. They are also waterproof, so you don't have to worry about them being affected by moisture.