Made of flame-retardant polyurethane sponge with 21KG density, the sound insulation panel not only has effective sound-absorbing properties, but also does not cause any harm to our body. The soundproof panel is lightweight and can be installed to various surfaces walls, doors, windows, ceilings, etc.
Made of non-toxic materials, there is no risk of staying in a room with acoustic foam for a long time. Material: 21KG density flame retardant polyurethane sponge.
Product size: 30 (L)30 (W)2.5 (thickness) cm/12121inch.