Paper Octagonal Box: Style1: Octagonal paper bento box R-550 : Square Capacity: 550cc Maximum Dimensions: 158 x 158 x 45 mm 900 pieces/box Anti-theft design function paper lunch box, Existing sealing schemes, This lunch box is specially designed for hot food packaging with less soup, pastry packaging, The sealing film retains a little ventilation hole design. It is conducive to reheating and keeping food fresh and delicious!