Product Description: - Powerful Sound Insulation: This hexagonal acoustic panel is made of 100% high - density polyester fiber. It has sound insulation, flame retardancy, odorlessness, slip - resistance, non - toxicity, corrosion resistance, and light resistance. Weighing 300 pounds per cubic meter, it offers better sound insulation than soundproof foams. - Improved Acoustic Panels: Unlike other acoustic panels, ours have a self - adhesive layer. Just pull and stick to the wall. No other adhesives or tapes are needed. Simply remove the backing paper from the sound - absorbing tile and hold it in place. - Stylish Appearance: We use a hexagonal honeycomb panel, which is currently trending. It can serve as a decorative wall, adding an artistic touch to your interior and leaving beautiful memories in a comfortable and joyful environment. Size is 30×26×1 cm. - Wide Application Scenarios: The hexagonal acoustic panel is widely used. It's often found in recording studios, home studios, home theaters, offices, and home offices. You can also install it on ceilings, behind TVs, or under carpets. - After - Sales Guarantee: Questions about studio foam? Contact us! Dissatisfied with our acoustic panels? Email us first. We'll offer professional solutions. Your 100% satisfaction is guaranteed, and we're always here for any sound - absorbing panel queries. Features: Made of 100% high - density polyester fiber, it's flame retardant, odorless, non - toxic, corrosion resistant, and light resistant. - At 9mm thick and 140kg/m³ dense, it provides excellent sound insulation. - With a self - adhesive layer, just remove the backing paper and stick it to the wall for easy installation. - Using a hexagonal honeycomb design, it doubles as wall decoration, adding artistic flair to your interior. - Versatile, it's often used in recording studios, home studios, home theaters, offices, etc. Install it on ceilings, walls, behind TVs, under carpets, etc. Specifications: - Color: Black - Size: 30×26×0.9 cm - Material: Polyester FiberPackage Contents: - 12×Hexagonal Sound - Proof Panels