FASHIONABLE APPEARANCE: Unique sound insulation panel adopts hexagonal shape, which can not only reduce and absorb unwanted echoes, reverberations and fluttering echoes, but also play a role in decorating the wall. EASY TO CUT AND INSTALL: Easy to cut with a sharp knife, you can create different styles of decorative wall art in your favorite space! And the soundproof padding is easy to install, simply attach spray adhesive or double-sided tape (not included) to the back of each panel and adhere to the desired position. ECO-FRIENDLY AND INDOOR: The sound panels are formaldehyde-free and formaldehyde-free. Excellent acoustic treatment for on-site sound treatment on the wall of a recording studio or office, suitable for recording studios, control rooms, home studios, home theaters, home offices. HIGH DENSITY AND ECO-FRIENDLY: Made with polyester fiber, it is both safe to breathe and touch, which makes it ideal for any location of or studio, it is safe for adults, children and pets.