Tone Tiles® Paintable White Acoustical Panels | Acoustics First Acoustical Panels & Soundproofing Materials to Control Sound and Eliminate Noise™
White Acoustic Foam – SoundAssured
Amazon.com: Sonic Acoustics 12 Pack Acoustic Foam Panels 0.4" X 12" X 12" Sound Absorbing Panel, 3D Unique Soundproof Foam Insulation, Foam Padding Used in Home & Offices (12 Pack, White) :
Hexagon Foam Tiles — Sound Zero
Acupanel® Pure White Acoustic Wall Panels - Luxury Slat Wall Panels
Amazon.com: White Acoustic Foam Panels - Wedge Style Studio Foam Soundproofing Tiles - 12x12 Inch - Multiple Thicknesses (2 Inch Thick - 4 Pack) : Musical Instruments