Pro Studio Acoustics – 12 Pack – Wedge Foam – Purple & Grey Price: $64.99 (as of 03:34 EST- More info)

PREMIUM QUALITY ACOUSTIC STUDIO FOAM – Each piece of foam comes uncompressed and in pristine condition, ready to install today! What you see in the photos is exactly what you get.
GREAT FOR SPOT TREATING YOUR LISTENING ENVIRONMENT – For use in recording studios, control rooms, home studios, home entertainment theaters.
PACKAGE IS NOT COMPRESSED!!! – Unlike other brands, this foam will not be warped or damaged from highly compressed vacuum packaging. Includes acoustic foam, installation instructions, and data sheet.