Introductions: The Soundproofing Wall Padding is produced by environmentally polyurethane foam. In order to improve the opening and specific acoustic characteristics, make it not only has the sound absorption characteristics effectively, without any harm to human body. and Great for treating sound on walls in your studio or office - For use in recording studios, control rooms, Offices home studios, home entertainment theaters, Home Offices. Features: 1. Wedge style angled design ensures optimum sound absorbency. 2. Create a great listening or recording environment with the best value noise reduction products. SoundAssured foam squares are a low cost solution to get better recordings at home or in the studio. 3. 20 Pack Covers 20 Feet, Each tile is 1 foot of 2 inch thick acoustic wedge. 4. Reduce Unwanted Noise And Echo, The panels help reduce reverb, flutter echoes, undesirable acoustic reflections, unwanted noises and are best for small to medium size rooms, theater rooms, recording studios, churches, or offices. 5. Make Higher Quality Audio and Video Recording, Improving your audio quality instantly by reducing background noise and echo while recording your voice overs, music, interviews, podcasts, or YouTube videos. 6. Use to treat a professional or home recording studio, rehearsal rooms, concert halls, podcasting, churches, home theatre, vocal booths, home studios, offices,, dog kennels, utility closets, and more. Specifications: 1. Material: Nvironmentally polyurethane foam 2. Color: Black and Blue 3. Size: （12 x 12 x 12) / (30 x 30 x 5)cm(L x W) 4. Thickness: 5cm / 2 Package Includes: 1 x 20pcs 12x2x2 Acoustic Foam Panel Wedge Studio Soundproofing Wall Padding Black and Blue Notes: Foam wedges are packed in an interlocking fashion to save space and your order. The methods of recovering the normal size of soundproofing foam: Method One: 1. put the foam in a ventilated for 24-48 hours before using. Method two. 1.Soak the foam in for 1 minute. 2. Wring the foam out , Air dry it or use a hair dryer optionally before using. Note: suggest using method two that make foam recover faster and more tidy.