12 Pack Hexagon Acoustic Absorption Panel,Acoustic Panel Beveled Edge Tiles,for Wall Decoration and Acoustic Treatment                [SUPERIOR SOUNDPROOFING]: Made from High density Polyester cotton, 300lbs per cubic yard, better Sound Insulation than soundproofing foam Sound proofing and flame retardant, odorless, non-slip, corrosion resistant, and fade resistant.     [STYLISH]: Stylish hexagonal honey comb panel design doubles up as a decorative wall art in your favorite space, which allows you to leave countless beautiful memories in a comfortable environment.     [EASY TO INSTALL]: 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 panel and adhere in the desired position.     [WIDE APPLICATIONS]: Great for spot treating sound on walls in your studio or office - For use in recording studios, control rooms, Offices home studios, home entertainment theaters, Home Offices. 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      High density and eco-friendly: Made with Polyester cotton, flame Retardant, it is both safe to breathe in and Contact, making it great for any location in the home or studio, it's safe for adults, kids, and pets           Colour:gray     Material:Polyester cotton     Size:Side length: 17.5cm          Package Contents:     12 x Soundproofing Foam          Only the above package content, other products are not included.     Note: Light shooting 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.