Package Content: 1 /12 /24 /72 Pcs Acoustic foam panel (please check the size and type before you pay. Thank you) Product Features: -Effective sound treatment foam tile: Sound proofing, sound absorption foam (especial high and medium frequencies), sound echo eliminating and unwanted reverb controlling foam, reverberation counteracting foam panel. -Reduce noise pollution: this foam could absorb 125-1500Hz noise from daily life. -Enhance acoustic performance of music instruments -Made of quality high density 25kg/m³ fire proofing foam/polyurethane -Fire proofing/Fire Retardant: non-toxic Environmental Friendly material -Widely used in recording studio, cinema, drum room, piano room, rehearsal room, karaoke room and bars/pubs/clubs, etc. -Use Instruction: You may use general purpose glue to stick foam on wall Specification: Type Optional: Flame-retardant Color Optional: Black/White/Purple/Blue/Yellow/Grey/Red Material: 25kg/m³ fire proofing foam/polyurethane Profile: Triangle Sizes:25x25x3cm / 25x25x2cm Note: The foam might be compressed during transportation. Please allow the foam panel to return back to the original shape for a few days after opening.