Item Description: Products are customized according to original sizes which fit perfectly. Made of high-quality metal material, anti scratch and anti wear, sturdy and durable enough. The interior will be highly enchanced with their decorations and won't be defaced by their easy stickup installation. Easy Installation with 3M tape attached on the back. Car audio speaker door loudspeaker cover trim & audio speaker decorative cover. Specification: Condition: 100% Brand New Material: Stainless Steel Size: 8cm x 8cm (3.15'' x 3.15'') Compatible Model: for Mersedec Benz W213(2016-2018); W205(2015-2018); GLC(2016-2019) Package Include: 4 pcs/set Car Door Audio Cover Installation Method: Clean the area and eliminate any impurities before mounting this item. Align this item with target-position accordingly and peel off the 3M tape backing. Press the item evenly after proper alignment. Avoid any situation that might wet this item within 24 hours after installation. Note: Please ask for help from professionals if you are not sure how to do this. Please heat the 3M tape backing with a heat gun for better stickup effect when ambient temperature is lower than 20. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. Please