Home type acoustic product. 1 package contains 5 products and special adhesive. one piece of the product measures 28cmx28cm. The sound absorption coefficient of 0.65 was measured in TUBITAK laboratories. When 1 package (5 pieces) of acoustica product is positioned on 9-11m2, it not only looks decorative but also provides acoustic performance. It consists of 100% recycled felt material. there is less than 5 stocks to be sold at the campaign price. Create a party-ready atmosphere with this colorful LED lighting. Easy to install and perfect for events or home decoration.