Specifications: 1) Thickness: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm. 2) Width: 1, 220mm, 2, 100mm 3) Length: No limited 4) Weight (Kg/M2): 0.8, 1.2, 1.4, 1.6, 1.9, 2.2, 2.4, 2.6, 3.0, 3.3. 5) Colors: Clear, lake blue, green, blue, opal, brown, silvery gray, red(Other color can be ordered according to you request) Sound barrier ..