100% New Brand and High Quality! Made of felt material, high density, stronger noise performance. Can be pasted on wall, ceiling, glass, metal and other surfaces to reduce noise. Also Can Reduce Sound Reflection And Echo Fibrillation. Design In Line With The Principles Of Acoustic. It can also be used as protective pad for the bottom of furniture or anti-collision pad for corners. Simple to install. Can be cut freely according to demand. Suitable for KTV, recording studio,cinema,car or other spaces that need noise reduction.