Features Noise pollution reduction: after installing the acoustic foam, you can enjoy the comfort and pleasure of the environment with reduced noise. Sound Insulation Principle: This acoustic foam does not block sound transmission, but absorbs sound to eliminate it and background sound to achieve the sound insulation effect. Applicable scenarios: can be widely used in different scenarios and will improve the sound in recording studios, offices, rehearsal spaces, home theater, game rooms, etc. Convenient Installation - These acoustic foams are very easy to install, you can easily complete the installation process under normal operating conditions and are beginner friendly. SOFT FABRIC - Acoustic foam is made of polyurethane and is very soft, harmless to the human body, so you can use it with peace of mind. Specification: Item Type: Acoustic Foam Material: Polyurethane Usage: Recording Studio, Battery Room, Office, Factory Product size: 12 x 12 x 24 cm/4.7 x 4.7 x 9.4 inches Package List: 10 x Acoustic Foam Package List 10 x Acoustic Foam