Feature:  Eco-friendly and Safety: Made of high quality environmentally polyurethane foam, these studio foam are durable and effective, no health risks, safe to use.  Noise Absorbing: Our sound foam panels can dampen and diffuse mid to low frequency sound waves inside of a room, to minimize interference, increases increasing sound clarity.  Easy to Install: These studio sound absorbing panels can be used as acoustic cover for walls, ceilings and doors, just easily attach it with staples, nails, screws, tacks or glue.  Widely Usage: Our sound dampening foam panels are great for recording studios, vocal booths, control rooms, also ideal for home theaters, professional movie theaters, concert halls and more.     Specifications:  Material: High quality foam;  Color: Black, Blue, Red, Yellow;  Dimension: 30x30x3cm (11.81'x11.81'x1.18');  Weight: 250g.     Package included:  6 x Acoustic Foams (same color).