12Pack Self Adhesive Acoustic Panels, Hexagonal Sound Dampening Panel, Sound Absorbing Panels, Sound Absorbing Padding for Studio Pioneer hollow design: these unique hexagonal acoustic panels come with the hottest color combinations. And each kit includes 2 hollow out sound insulation panels, which makes it more decorative. And large size is increased by sound insulation. Self-adhesive, easy installation: There is an adhesive tab covering the entire back, which can easily stick to any surface. No special tools or materials are needed for installation. And you can easily cut the sound panels with a sharp knife to make different designs with individual panels, and give full play to your creativity. Excellent Absorption Sound: 9.7 lb/ft³ density acoustic panels can effectively absorb reverb, echo flutter, unwanted acoustic reflections, unwanted noises, and reduce waves. They are ideal for game rooms, rehearsal rooms, concert halls, home theaters, etc. In addition to using soundproof wall panels to dilute the sound, you can also use it to increase the acoustics in a room, like in a recording studio. High Quality & Eco-Friendly: Our acoustic proof padding are made of high-density polyester fiber material, providing a degree of noise reduction factor: 0.92 and absorption factor: 0.8! Besides, abrasion-resistant and scratch-resistant, they are odorless, formaldehyde-free and fireproof, which are both safe to breathe and touch. Good sound absorption characteristics: If you are mixing in the studio, you need to reduce the ambient sound. Unnecessary noise during recording will ruin it. The sound-absorbing board can absorb the sound produced by low frequency, medium frequency and high frequency, which is very suitable for recording. Glue color randomly, do not accept certain color. Color: Black+White+Silver GreyMaterial: Polyester Fiber CottonSize: Side Length About 17.5cmPackage Contents:3*Silver-Grey Soundproof Cotton4*White Soundproof Cotton3*Black Soundproof Cotton1*Silver-Grey Hollow Soundproof Cotton1*Black Hollow Soundproofing CottonOnly 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 error is +/- 1-3cm.