The black silicone presents a deep black color that is understated and stable. The unique D-shape design with smooth lines can fit perfectly with various devices and scenes, ensuring functionality as well as a certain degree of decorative. It is made of high quality silicone material with soft touch and good elasticity. This silicone is non-toxic and odorless, safe and harmless to the human body, in line with environmental requirements. Black silicone D-type products have excellent sealing performance. It can effectively block the intrusion of dust, water vapor, grease and other impurities to protect the precision parts inside the equipment. The product also has a certain anti-aging, anti-ultraviolet performance, long-term use is not easy to change color, cracking, long service life. Its corrosion resistance is also more prominent, can resist the erosion of various chemical substances, to ensure the stability of product performance.