Soundproof Foam Professional Acoustics Foam Ivory Acoustic Foam 2" Thick Pyramid Style 4ft X 6ft Sheets (24 Sqft)

Soundproof Foam Professional Charcoal Acoustic Foam Sound Absorption Pyramid Studio Treatment Wall Panel, 2" X 48" X 72" (2 Pack)

Soundproof Foam 48 Pack of (12 X 12 X 1)inch Acoustical Pyramid Foam Panel for Soundproofing Studio

Soundproof Foam Professional Acoustics Foam Ivory Acoustic Foam (12 Pack Kit) - Pyramid 2" 24" X 24" Covers 48sq Ft - Soundproofing/blocking/absorbing Acoustical Foam - Made in the Usa!

Soundproof Foam Professional Acoustics Foam Ivory 12 Pack of (12x12x2)inch Acoustical Pyramid Foam Panel for Soundproofing Studio & Home Theater

Soundproof Foam Acoustic Foam White Pyramid 1"X 24"X 24" Sound Damping Sound Proofing/Block (12 Pack )