Provided is a microwavable pouch including an automatic steam venting mechanism, which includes a steam venting sealing portion, a slit, and a flap piece. The steam venting sealing portion includes a seal peeling start portion. The slit includes a pair of slit end portions and a slit intermediate portion formed toward a region closer to the seal peeling start portion than the pair of slit end portions, and the automatic steam venting mechanism further includes an unsealed portion formed to cover the entire periphery of the slit and a control sealing portion formed by heat-welding a part of the flap piece to a second film.

A tray for supporting a food product includes a plurality of panels extending at least partially around an interior of the tray, the plurality of panels including a central panel, at least one side panel, and at least one end panel. At least one corner flap is foldably connected to the at least one end panel, and at least one adjustment feature receives at least a portion of the at least one corner flap such that the tray is reconfigurable between an erected configuration and a collapsed configuration.

A tray for supporting a food product includes a plurality of panels extending at least partially around an interior of the tray, the plurality of panels including a central panel, at least one side panel, and at least one end panel. At least one corner flap is foldably connected to the at least one end panel, and at least one adjustment feature receives at least a portion of the at least one corner flap such that the tray is reconfigurable between an erected configuration and a collapsed configuration.