... Hamburg, sandwiches, wrapping food packing. 2.The oil-proof paper grams 21-120 grams, prevent oil level 1-6, ... imported 100% polyester, according to the relevant national hygiene paper regulation and food packaging requirements3. QS certification ,American FAD ... is reasonable, oil-proof paper have a reasonable price ,good quality, welcome every customer coming. oil-proof paper -- food-grade standard