Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si [Reduce Noise]Soundproof Egg Crate Foam Panels is an effective sound isolation material that reduces external noise, creating a quiet environment for your home studio, recording studio, or office. [Prevent ]This acoustic foam panel features an egg crate design that effectively reduces indoor and reflection, providing a clearer, more natural sound experience. [Safe and Non-] Sound Proof Egg Crate Foam is made of high-quality, non- materials that are safe for use in any environment. The foam is free of harmful chemicals, and meets the highest fire safety standards, making it a reliable and safe choice for your soundproofing needs. [High Resilience and Density] Quick-Recovery Sound Proof Foam Panels is made of high-quality polyurethane material with a high-density and high-resilience structure, which ensures long-lasting durability and effective soundproofing performance. [Versatile] Sound Proof Egg Crate Foam is suitable for a of applications, including music recording, video production, voice chat, conference calling, home theater, and more, making your sound clearer and more professional. Color: Black Material: polyurethane Package Contents: 12 x Sound-absorbing cotton 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.