160 mil thicknes of closed celled foam(.160 of an inch or 4 mm total thickness).Sheet size: 19.8" x 39.5" ft.Kit includes 3 sheets.Sky High Car Audio Acoustic Foam - Kits go from 16.5-99 sq ft C$79.99 Regular PriceC$55.99Sale Pricepack sizesSelectQuantityAdd to Cart