Description: 【Material】Made from high density felt, light weight, impact resistance, durable and practical. 【Size】13.78inchx9.84inchx0.31inch, Our sound proofing padding for wall have a stylish sound panels design that doubles up as decorative wall art in your favorite space, creating a comfortable environment. 【Easy To Install】Our soundproof panels work on both general purpose spray adhesive and double sided tape work. Simply attach spray adhesive or double sided tape (not included) to the back of each soundproof wall panel and adhere in the desired position. 【Feature】Easy to shape and cut to size, altering won’t affect performance. Or use it on the ceiling, behind the TV, or under your rug! 【Wide Applications】Our soundproof pad is for use in recording studios, control rooms, offices, studios, home entertainment theaters, etc. Specification: Material: Felt Size Chart: 35cmx25cmx0.8cm/13.78inchx9.84inchx0.31inch Package Includes: 1pc Sound Absorbing Pad Note: Please allow slightly errors due to manual measurement and different monitors.