Features:  - EFFECTIVE DESIGN THAT IS EASY TO INSTALL. Wedges style angled design ensures optimum sound absorbency. The acoustical barrier can be applied for permanent or temporary use.  - HELPS WITH NOISE REDUCTION. Two inch thick foam is used to absorb mid to high frequencies and to control and trap echoes. Wedges style is comparable to eggshell foam and best for when absolute sound deadening is not imperative, but moderate sound deadening is desired.  - ECONOMICAL SOLUTION. Create a great listening or recording environment with the best value noise reduction products. These foam squares are a low cost solution to get better recordings at home or in the studio. Acoustic panels are used for professional studios, rehearsal rooms, concert halls, podcasting, churches, home theaters, vocal booths, home studios, offices, man caves, dog kennels, utility closets.     Specifications:  Material: High quality foam;  Color: Black, Blue, Red, Yellow;  Dimension: 30 x 30 x 5cm (11.8 x 11.8 x 1.96');  Weight: 380g.     Package Included:  6 x Acoustic foams.