ITEM NAME:2pcs 3"inch Car Speaker Decorative Circle Cover with Protective Grille DIY Black 2pcs 3" Inch Black Circle Speaker Decorative Circle w/Black Protective Grille Mesh SPECIFICATIONS.(Speaker Circle with black Grille X2. 2) Surface electroplating design makes the surface of the circle and grille more smooth, glossy and beautiful. 1) Put the grille on the back of the circle. 2) Then put them on your speaker.