Sound Absorption Pyramid Design: This sound proof foam panels feature a high density polyethylene foam meterial, using a pyramid shape foam that provides moderate sound control by reducing waves, reverbs and flutter echoes in your studio and office. The biggest difference between normal sound foam is the 3D acoustic design which allows you enjoy a quieter environment, meanwhile, sound panels would be a good idea for too. -Friendly: Made from -friendly materials, our acoustic panels is flame retardant, non- and fade resistant. Making it perfect for any location in the home or studio, it is safe for adults, children and pets to touch and breathe freely. Easy to Install: Our Acoustic Foam Panels are bendable, can be attached to a of surfaces. It's easy to cut and shape whatever you want without worrying about affecting their performance. Color: Black Material: Polyurethane Package Contents: 12 x Acoustic foam Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.