Description:Made of metal material, good wear and durable.Solid structure and durable, high compressive strength and impact resistance.Protects your subwoofer from cuts, rips, tears and dents.Keep the audio speaker safe from accidental damage.Fit for most round 10" car subwoofer.Feature:Color: BlackMaterial: MetalMounting Hole Distance: 3.64''-4''Wide On The Inner Section: 11.02''Wide On The Outer Section: 12.13''Space Between Bars: 1.6'' Note:Measure your speakers before purchasing to ensure installation.Package Includes:2 x Car Speaker Cover.