The Ulitmate Acousitcs Studio Bundle II contains 12 Bevel and 12 Wedge-style professional studio foam blocks measuring 12 x 12 x 2 inches. Studio Bundle II provides 24-square feet of professional acoustic coverage of 12" x 12" square panels that are two inches thick. What's more, this kit delivers both form and fashion by giving you a mix of styles from which to design your space. You get 12 wedge-style panels and 12 bevel-style panels to designe the best acustically sound space you can think of!