Official [Made in Japan Soundproofing Sheet [saegiri]] 12-Pack, 1.2mm Thick, Soundproof Fast Lab [For Reducing Outside Noise and Room Leaks]

✅ [Simple-sized soundproofing sheet] This conveniently sized 30cm x 30cm soundproofing sheet has been requested by many customers. Each sheet weighs just 190g and comes in a set of 12, allowing for flexible placement. It can be easily installed with one hand, making it ideal for small-scale use, and you can purchase only the amount you need. Unlike traditional rolls, it is difficult to move and install, and there is no need to leave excess sheets lying around for six months. ✅ [Made in Japan for excellent sound insulation] We guarantee the reliable quality of our Japanese-made products. Consistent quality and cut size ensure high quality. With a thickness of 1.2mm and a surface density of approximately 2.1kg/m3, it boasts proven sound insulation performance with an acoustic transmission loss of 19dB at a frequency of 1000Hz. There is no drop in sound insulation performance at specific frequencies (coincidence effect), and there is no radio interference (wireless LAN or mobile phone outages). ✅ [Easy-to-use size and lightweight feel] The handy 30cm x 30cm size makes it ideal for small spaces like soundproofing boxes, pianos, and doors. At 1.2mm thick, it's easy to install in tight spaces like behind a computer or TV. Each sheet weighs just 190g, making it easy for women and elderly people to carry and take on the challenge of soundproofing. Installation is easy, even on ceilings where application is difficult, as you can hold each sheet individually. ✅ [Safe material that is not harmful to the body] The material is a soft PVC resin containing high-density substances. This product is not subject to the formaldehyde notification and emits almost no formaldehyde. Therefore, there is no need to worry about sick building syndrome, and it can be used safely even in rooms with small children. ✅ [Soft material for easy processing] The soft material allows it to be attached to curved objects such as air conditioners and compressors. It can also be cut freely with scissors or a cutter, allowing it to be neatly processed to fit the installation location. ✅ [Useful for a variety of purposes] By combining it with our separately sold sound-absorbing material, you can achieve effective soundproofing and noise control. It can be used for a variety of purposes, such as creating a simple soundproof room, soundproof booth, soundproof walls in apartments, walls in children's rooms, soundproofing windows, and car sound deadening. ✅ [Smart disposal] If you no longer need it, you can quickly pack it up in a household garbage bag. Unlike traditional rolls, it does not need to be disposed of as bulky waste, and it can be disposed of compactly, making it safe even if you have to move suddenly. ✅ [Product Details] Set contents: 12 soundproofing sheets. Material: High-density soft PVC resin sheet with nonwoven fabric on one side (flame retardant). Size: 30cm x 30cm. Weight: 190g per sheet. Thickness: 1.2mm. Surface density: Approx. 2.1kg/m³. Sound transmission loss at 1000Hz: 19dB. ✅ [Please note] Double-sided tape, a stapler, etc. are required for installation.