US Patent 11142371 Recyclable insulated stackable tray for cold wet materials

A stackable container includes a solid compostable or recyclable body formed primarily of a plant fiber. The body includes a floor and a plurality of side walls that are coupled to the floor along first common edges. Each side wall is coupled to two adjacent side walls along second common edges to surround an interior space of the container. A top surface of the side walls provides a rim that includes a recess or projection configured to couple the container to a corresponding projection or recess of an overlying container. A bottom surface of the floor includes a recess or projection that is configured to be coupled with a projection or recess of an underlying container.