Vacuum molded cellulose or plastic fiber-based multi-compartment trays for food packaging containing a moisture-resistant barrier feature that prevents fluid and steam permeation; vacuum molded cellulose or plastic fiber-based multi-compartment trays for food packaging containing a vapor-resistant barrier feature that prevents fluid and steam permeation; vacuum molded cellulose or plastic fiber-based multi-compartment trays for food packaging containing an oil-resistant barrier feature that prevents oil permeation; paper pulp-based to-go containers for food and multi-compartment trays for food packaging containing a moisture-resistant barrier feature that prevents liquid and vapor penetration; paper pulp-based to-go containers for food and multi-compartment trays for food packaging containing a vapor-resistant barrier feature that prevents liquid and vapor penetration; paper pulp-based to-go containers for food and multi-compartment trays for food packaging containing an oil-resistant barrier feature that prevents oil penetration; commercial-use cellulose or plastic fiber-based containers, plates, cups, bowls, and multi-compartment trays for food packaging, containing a moisture-resistant barrier feature that prevents liquid and vapor penetration; commercial-use cellulose or plastic fiber-based containers, plates, cups, bowls, and multi-compartment trays for food packaging, containing a vapor-resistant barrier feature that prevents liquid and vapor penetration; commercial-use cellulose or plastic fiber-based containers, plates, cups, bowls, and multi-compartment trays for food packaging, containing an oil-resistant barrier feature that prevents oil penetration.