10PCS Acoustic Foam Panels 1" X 12" X 12" Sound Proof Foam Panels for Sound Insulation Absorbing, High Density Panels, Wedge Style Design (Gray) : Amazon.co.uk: Musical Instruments & DJ
50 Pack Acoustic Panels Soundproof Studio Foam for Walls Sound Absorbing Panels Sound Insulation Panels Wedge for Home Studio Ceiling, 1" X 12" X 12", Black (50PCS, Black&Red) : Amazon.co.uk: Musical Instruments
Modular acoustic panels for noise insulation
12/24pcs Acoustic Wall Panel Tiles Studio Sound Proofing Insulation Foam Pads UK | eBay