Features: 1.High-Density acoustic foam panels with strong sound absorption, perfectly good for flutter echo and reverberation absorbing. 2.Fire-proofed acoustic panels passed strict testing standard of CA TECHNICAL BULLETIN CAL 117-version 2013, Part 3 which deserve consumers' trust. The foam qualifies for B1 Class Fire-retardant performance. 3.Made with non-toxic polyurethane sponge, our studio foam is much safer and reliable choice for users. 4.Size : 12’’x12’’x2’’. 5.Color: Black. 6.Presented with double side adhesive tape. No need to buy tape separately. Cost-saving and more efficient choice for you. 7.Easy to install: Peel off the presented tape and paste to the foam, then press hard to the wall until firmly posted. No need any extra tool. Get your DIY works today. Application: --Recording Studio, Control Room, Meeting Room, Musical Instrument Studio(Piano, Guitar, Drum, etc), Dance Studio, KTV, Bar, Podcast Studio, Home Theater, Equipment Room, Police Interrogation Room, Gymnasium, Office, etc. Package Includes: --12 Pack of Pyramid Shaped Tile Studio Foam --2 sheets of strong double side adhesive tape Mounting Instructions x 1 NOTE: --There may be little material smell but not unusual odor. We warrant the safety of our product. Pls put the foam in well ventilated place for 24-48 hours then the smell will be gone. --Pls allow 1-2mm difference due to manual measurement. You can stretch the foam a little if necessary. -- Our acoustic foam panels are vacuum compressed and sealed for shipping. But this won't impact function and final shape. Pls make sure the foam expand to their normal shape before installation. --The color of the picture may not reflect the real color of the item, pls be subject to the actual product received.