Feature: 1. Good appearance and acoustic characteristics, suitable for sound absorption, sound insulation, shock prevention, fire prevention. 2. Perfect for working with sound on the wall of your studio or office. 3. Generally used for indoor sound absorption processing and indoor sound insulation. 4. Can help increase sound clarity in a room or space. Great use for media content. 5. It adopts high quality polyurethane sponge material, shockproof and moisture-proof, high density and flame retardant. Specification: Conition: 100% Brand New Item Type: Soundproof Foam Material: Polyurethane Color: Black Size: Approx. 25 x 25 x 5cm / 9.8 x 9.8 x 2in Weight: Approx. 315g / 11.1oz Package List: 6 x Soundproof Foam