These acoustic wall panels, made from foam and laminated HDF, improve both aesthetics and sound quality by reducing echoes and noise. The pack includes 18 strips that form a seamless panel, ideal for sound insulation in any space. SPECIFICATIONS: Functionality: Absorption, Diffusion, Insulation Absorption Frequency: High and Medium Material: Laminated MDF & Foam (M1 type) Color: Black Graphite Foam / 7 MDF variants Dimensions per strip: 500x60mm (20x2.36 inches) Thickness: 55mm (2.1 inches) Coverage (18 strips): 0.54m² (5.8ft²) APPLICATION: Living rooms, offices, home theaters, hotels, classrooms, music rooms, and more. MOUNTING: Simple installation with double-sided tape and adjustable length.