Food packing aluminum foil 1. LFGB,GMC,ISO9001,QC certified 2. For cooking, Freezing, Wrapping,Storing Thickness 0.01mm to 0. ... resistant2. Can be acked in color box with blade edge3. Core lock-locks in rollUsage For cooking, Freezing, Wrapping,Storing 1. ... ; Puncture vent openings4. Catching Oven Spills-------Small sheet of foil on rack below baking pan catches spills5. Lining Cookie Sheets ...