Features: Flexible, crush resistant, non-toxic & odor free (Will not smell), creates mold and mildews resistant vapor-barrier. Can make the heat of the engine evenly distributed to avoid overheating the lid. Keeps your interior cool in the summer and warmer in the winter. Reduces unwanted sound and most vibrations. Effectively blocks 97% of radiants heat transfer. Specifications: Material:Aluminum Foil Thickness:5mm/0.2',7mm/0.28',10mm/0.4' (optional) Size:Approx.200x50cm/78.74'x19.69' Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Car Sound Mat Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin