The Studio Bundle I by Ultimate Acoustics is a pack of 18 wedge-style professional studio foam blocks that measure 12 x 12 x 2 Inches. This kit is perfect for spot treating existing spaces that have already been treated or for the artist who's just getting started. They've included adhesive squares to get you going and you can apply these panels to your walls in a variety of patterns to create a custom, stylish look that reflects your personality! Studio Bundle 1 from Ultimate Acoustics includes 18 wedge-style acoustic panels that are 12" x 12" square and 2" thick.