Features: 8 inch Speaker Grills Rings are durable and corrosion resistant, good for Home Theater, Marine and Automotive applications. They are fit for DIY speakers decorative circle. Speaker decorative rings serve both aesthetic and protective purposes. The Speaker Rings is made of Plastic, windproof, and rain-proof outer ring to protect your subwoofer. It has a strong and durable structure with high compressive strength and impact resistance. Specification: Color: Black Material: ABS Fit for Speaker Diameter: 8 inch Inner Diameter: 185mm / 7.28" Installation Diameter: 216mm / 8.50" Large Outer Diameter: 223mm / 8.78" Easy Installation: 1. Align the edges of the grille cover with the corresponding edges of the speaker. 2. Apply gentle pressure and snap the cover into place by pushing the tabs or clips along the edges until they securely lock. 3. Double-check that the grille is properly seated and fits snugly on the speaker. Notice: Please make sure the speakers cover size fit for your speaker before purchasing. Manual measurement, allowing +-3mm error. Package Includes:2 pcs Speaker Rings