Welcome to our store! Beautiful Design: Sound-absorbing panels boast a beautiful appearance and design, perfect for reducing and absorbing unwanted waves, reverberation, and for wall decoration. Made of Polyester Fiber: The sound-absorbing board is made of polyester fiber, flame-retardant, safe to breathe and touch, suitable for any location in the home or studio, and safe for adults, children, and pets! Easy to Install: Anyone can install it. The back of each panel is self-adhesive and can be peeled off and stuck to the desired location. Cuttable Size: Sound-absorbing panels are easy to shape and cut, and changes will not affect performance or use on the ceiling, behind TVs, or even around window air conditioners! Multi-Purpose Sound-Absorbing Panels: These sound-absorbing panels are versatile and can make offices quieter and recordings cleaner. Product Type: Sound-Absorbing Panels Material: Polyester Fiber Piece Size: Approx. 30 x 30cm/12 x 12in Package List: 12 x Sound-Absorbing Panels