Thank you for viewing! ❤️ Only one available! ❤️ First come, first served! ❤️ Free shipping! ❤️ Immediate purchase OK! Follow-up discount available! Please see my profile before purchasing (*'ω'*) I have many other items for sale (^o^)/ #various★shop ★【Brand new, unused】 so please rest assured ♡ ※ Black 【Product Details】 Size: (approx.) Width 30cm x Length 60cm x Thickness 0.9cm * Per sheet, Weight: (approx.) 230g * Per sheet, Contains 20 sheets, Material: High-density sound-absorbing polyester fiber, Coverage area: approx. 3.6 square meters. Self-adhesive, can be used immediately upon arrival, the corners are cut at a 45-degree angle, allowing for beautiful, seamless application. 【Improved Sound Absorption Soundproof Panel】 High-density polyester fiber provides excellent sound absorption and sound insulation. It effectively suppresses echoes in the room and noise from outside, supporting a comfortable sound environment and clear sound quality. It is the perfect item for home theaters, studios, and spaces where soundproofing is required. 【Multi-functional Sound Absorbing Material】 This sound-absorbing panel uses environmentally friendly materials and is designed to be formaldehyde-free. In addition to its high sound absorption performance, it also has insulation and heat retention effects, contributing to energy saving by improving the efficiency of heating and cooling. It is a multi-functional panel that creates a comfortable and quiet space. 【Easy Installation】 Self-adhesive design, no additional tape or adhesive required, simply peel off the backing paper and stick it on. Anyone can easily install the soundproof panel as long as the installation surface is clean and dry. 【Usage Cases】 It can be used not only for soundproofing but also as interior decoration to stylishly enhance the space. It can be used in various places such as piano rooms, studios, bedrooms, living rooms, hotels, and conference rooms. If you have any questions, please feel free to comment ( ^ω^ )