Noise-Reducing Self-Adhesive Sound Panels That Are Ideal For Decorating Walls In Excellent Soundproof Performance: Our upgraded soundproof wall panels are made from 100% polyester fiber with high density of 242.5kg/m3, better soundproofing performance than other foam panels. They are perfect for various acoustic treatment needs, effectively removing echoes, eliminating standing waves, and greatly enhancing sound clarity. Safe to Use: Crafted with premium polyester fiber, these acoustic panels are odorless, flame retardant, formaldehyde-free, non-toxic, safe to breathe and touch for adults, children, and pets. Easy Installation: No extra tools required, the self-adhesive acoustic panels can be applied to walls, doors, windows, and ceilings with ease. (If you need to remove the noise reduction panels, you can remove it by heating it with a hair dryer. No damage to the wall.) DIY and Wide Use: With beveled edge and multi-line design, the sound dampening panels can be cut into different sizes and shapes to suit various spaces like studios, home theaters, offices, pet enclosures, game room, podcasting, school, etc. Various Size Options: Our acoustic panels come in 12-piece and 18-piece packs. The more you get, the more cost-effective it becomes. We recommend measuring in advance to ensure you have enough panels to fulfill your soundproof and decorative needs. Feel free to contact us, we promise to offer you a prompt reply and satisfactory solution.