1) Paper thickness: 250GSM-550GSM, thick and flat, aluminum foil covered on one side 2) Glabrous surface, orderly cut and convenient for use 3) Developed just for Euro-American market, wide in application range, in conformity with international health standards 4) Used in cooperation with pure-aluminum fast food boxes of various specifications, and widely used in dining, supermarket and aviation 5) Size: 7", 8", 9"in round or any size in square