A food package kit including a plurality of trays having a bottom, a sidewall extending upwardly from the bottom and terminating at a top end, and a flange extending from the sidewall opposite the bottom, the flange includes a rim section configured to receive a sealing film, and a recessed section extending from the rim section, wherein each of the opposed longitudinal edges intersect with a lateral edge at a corner, wherein the kit also includes a sleeve adapted to contain the trays completely therein, the sleeve including a sleeve top, a first depending sleeve side, and a second depending sleeve side and a sleeve bottom, wherein the tray is completely disposed within the sleeve by frictional force between the tray and the sleeve.