SGS Certified Avishai acoustic panels felts are SGS certified and use high quality acoustic materials with premium elasticity and toughness. The high density of the felts effectively dampens vibrations achieves noise absorption and eliminates echoes. UL Certified CE CertifiedMade with 100 Polyester Fiber Avishai acoustic panels felts are UL approved and CE certified free of heavy metals such as formaldehyde benzene lead and mercury and radioactive substances. SelfadhesiveAvishai sound panels felt is as easy to use as a sticker and very effortless to cut. Premium Look Multiple ColoursAvishai acoustic panels felts are made using high quality materials and workmanship with every angle carefully crafted to give a perfect premium quality and Avishai sound panels are available in a wide range of colours which are guaranteed not to fade with longterm use through a special process. What You GetWe have a professional customer service team. If you have any problems with the goods you have received please do not leave a message in a hurry. Please contact us immediately and our team will resolve the issue for you within 24 hours. You will be 100 hundred percent satisfied