Premium Acoustic Material: Designed as high-density sound proof foam panels, these 100% polyester fiber acoustic panels optimize audio precision and durability. Use as decorative sound absorbing panels for walls, ceilings, or doors-ideal for studios, home theaters, or acoustic treatment in recording studio acoustical treatments. Easy Installation: Featuring advanced self adhesive acoustic panels with robust backing, these soundproofing panels require no tools. Wide Application: Merge function and aesthetics with these acoustic panels sound absorbing. Their minimalist vertical-stripe design blends seamlessly into living rooms, offices, or home theaters-serving as both sound absorbing wall panels and chic . High-efficiency sound absorption reduces indoor reverbera-tion/noise, making sounds clearer. Color: White Material: Polyurethane size: 30x30x0.9cm Note: With adhesive backing Package Contents: 12 x Acoustic foam Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.