【Sound Absorption】These art acoustic panels easily and effectively reduce echoes and reverberations on walls, absorbing noise. They effectively improve the sound environment and sound quality. Absorption frequency: 150-20000Hz. They exhibit superior performance compared to general sound-absorbing foam. 【Eco-Friendly Material】BUBOS acoustic boards are made from 100% recyclable material, made of flame-retardant, high-quality polyester fiber. They are designed to be safe, meeting E0 environmental standards and containing no harmful substances such as formaldehyde. 【Aesthetic Design】BUBOS art acoustic panels combine artistic value as paintings with functionality as interior decor. The art panels enhance the aesthetic value of the space and harmonize with all spatial styles, from conference rooms, studios, and gaming rooms to hotels and entertainment facilities. 【Self-Adhesive Design】These sound-absorbing materials are self-adhesive, making installation extremely easy! - Brand: BUBOS - Design: Adhesive design - Quantity: 6 pack - Size: 180cm x 120cm x 1cm - Density: 230kg/m³ - NRC: 0.85 - SAA: 0.91 - Material: Polyester - Suggested Retail Price: ¥10,080 ・Some product information and images are partially sourced from the manufacturer. We do not guarantee the specifications or images. ・As this is an unopened product, please utilize the manufacturer's support for any defects. ・Shipping may be changed to "Rakuraku Mercari Bin" or "Yuuyu Mercari Bin." ・We do not issue receipts. ・Please only purchase if you agree to the above points. Thank you for viewing.