Troystudio Acoustic Ceiling Panels - 4 Pcs\. Of Coated Fiberglass Hanging Drop ?SPECIFICATION?: Size: 12 X 12 X 1.2 Inches ( cutting tolerance: 2% ), pack of 4; Weight : 0.86 pounds each panel; Density: 120 kg/m (7.49 lb/ft); Material : Premium fiberglass with completely coated surface to avoid itchiness as much as possible. Shape: Square ?CEILING HANGING: DOUBLE SOUND ABSORBING SPACE SAVING?: Compared with directly sticking to a surface, suspending the acoustic panel from ceiling allows for sound absorption on both sides, not just one. Moreover, it saves lots of space in your room by hanging these fiberglass ceiling tiles from above instead of mounting on wall ?EXCELLENT ACOUSTICAL TREATMENT?: Our sound panels are thick and made of 100% fiberglass which dampens sound reflections greatly. They perform impressively in reducing room reverb, echo, and ambient noise. Ideal for home theaters, recording studios, home studios, offices, drum rooms, podcasts, vocal booths, stereo speaker systems, music rooms, live rooms, audio rooms, streaming rooms, and more ?STYLISH INDOOR-SAFE?: With our suspended ceiling tiles overhead, it's like walking into a room filled with clouds. Relax your body and ease your heart. Besides, they are paintable, providing endless DIY possibilities to match your own style. They are eco-friendly, light weight, and flame retardant (A2 Class) ?HANGING HARDWARES INCLUDED EASY INSTALLATION?: Our coated fiberglass board panels come with hanging hardwares. It's easy to install them on ceiling following the instruction video on this page. They can also be mounted on wall using construction adhesive(sold separately). (NOTE: For odor-sensitive users, please ventilate before use. And remember to wear a mask, goggles and gloves when installing them, even if they are coated)