ITEM NAME:Bubble Sound Absorption Studio Black Bubble Sound Trap 12 PCS F1M4 Bubble Sound Absorption Studio Black Bubble Sound Trap 12 PCS F1M4 Great design for low frequency sound absorption Best Fire- retardant,Excellent acoustic properties,Eco-friendly Acoustic Foam Panels Absorb sound,keep warm,heat insulation,good elasticity,wall decoration,shockproof,moistureproof,against friction. Can be used in residence,redcording studios and home theatresschools,hosipital,environmental protection,automotive,Marine,architectural decoration,household appliance;etc. Colour:Black Material:Polyurethane Size:12*12*24cm Package Contents: 12 pcs * sound absorbing foam sponge.Great design for low frequency sound absorption. 12 pcs sound absorbing foam sponge. Best Fire- retardant,Excellent acoustic properties,Eco-friendly Acoustic Foam Panels.