Most trays are heat sealable; the company can provide a heat sealer and films. Snap-on dome lids are also available.
Companies in this article
Green-Tek (Edgerton, WI) has developed dual-ovenable, micro-waveable and freezer compatible trays made of CPET. These thermally stable trays can withstand 40° to 400°F and are available in black or white.
Most trays are heat sealable; the company can provide a heat sealer and films. Snap-on dome lids are also available.