Features Acoustic Panel: Excellent at absorbing sound, the acoustic panel can effectively reduce echoed and background sound. Triangle Foams: Triangle design ensures perfect matching without seam, which will also largely improve the insulation. Flexible Usage: Enables wide application in various places, such as studio, concert hall, home, office, factory, etc. Great Material: Using premium polyurethane material, odourless, soft, anti ageing, safe and durable for long term use. Easy to Install: Comes with a compact size and a light weight as well, you can use tape to firmly stick it to the wall. Specification:Item Type: Acoustic Panel Material: Polyurethane Application: For recording studio, room, office, factory.  Product Size: Approx. 30 x 30 x 5cm / 11.81 x 11.81 x 1.97in Package List:10 x Acoustic Panel Package List 10 x Acoustic Panel