Features:1. Thermoformed trays are generally used without lid using a sealing film by a small machine.2. Lids also available.3. Most Cost effective due to sealing.4. 100% spill proof due to sealing.5. Food Grade.6. Microwave safe.7. Available indifferent sizes from 250 gms-1500 gms.8. Different thickness options available.9. Available in Transparent and Black .10. options of Milky white with also available.11. Also available in frozen material for frozen items.