Okiyo Machi Wheat Straw Lunch Boxthe machi wheat straw lunchbox is an ideal alternative to traditional plastic lunchware. By choosing to use renewable resources like wheat straw, you are reducing the amount of plastic produced globally. Make a natural choice with okiyo and align your brand with sustainability. 19. 2 ( l ) x 12 ( w ) x 6 ( h ) material wheat straw & pp fda approved materials not microwave safe okiyo logo underneath the lunch box packaged in a natural kraft okiyo gift