[Set of 24, Ultra-High Density] Soundproofing Sheets, Sound-Absorbing Material, Wall Panels, Soundproofing Panels, Soundproofing Sheets, Wall Panels,

[High Density & Outstanding Sound Absorption] How to Choose the Right Soundproofing Board: Density is Everything! Density is the key to soundproofing effectiveness. Many commercially available products are 4.5kg or 5.5kg, but some falsely claim to be 200kg. Our products are genuine 5.5 density and offer outstanding soundproofing! The standard weight is 130g ±5g. Please check the weight after purchase! ✅ If the weight is less than 130g ±5g, we guarantee a full refund! R-BOOM sound-absorbing material converts sound vibrations into heat energy, thereby attenuating sound. R-BOOM sound-absorbing material is useful for noise control! It further enhances the soundproofing effect of sound-absorbing sheets. Sound-proofing materials are especially useful for those living in condominiums or apartments, or for families with small children, who want to avoid complaints and trouble caused by noise. [Easy installation without wall repair] Each sheet measures 30*30cm. It can be easily attached to a wall or door using the included double-sided tape, and can be removed without repairing the wall. It's also ideal for rental properties. Available in a wide range of colors, it can be used not only as sound-absorbing material but also as wall decor. [Eco-Friendly, Flame-Retardant Material] These soundproofing panels are made from high-quality polyester fiber that is free of harmful substances like formaldehyde, making them environmentally friendly and flame-retardant. They're ready to use right out of the box and have zero odor. They're widely used in bedrooms, piano practice rooms, recording studios, offices, and conference rooms. [Usage Advice] The main purpose of R-BOOM sound-absorbing panels is to improve sound quality, and the effect will be more noticeable if they cover more than 70% of the walls in a room. [Quality Guarantee] Set contents: Sound-absorbing board, double-sided adhesive tape, and Japanese installation instructions. If the product you receive is defective or broken, please contact us by email. Our support staff will respond promptly within 24 hours.