If you want containers that actually stay sealed without plastic food contact, glass meal-prep containers are the simplest upgrade.
1) Plastic-free food contact
Tempered glass + silicone gasket lids keep food touching non-plastic surfaces.
2) Oven-to-fridge versatility
Most glass bases handle the oven (check brand limits) and cool safely—great for batch cooking.
3) Fewer odors and stains
Glass resists staining from sauces and doesn’t hold smells the way plastic can.
4) Long-term clarity
No clouding after the dishwasher. You can see the contents at a glance.
5) Real leak resistance
A snug silicone seal helps with soups and saucy dishes (always upright in a bag).
6) Better longevity
If a lid eventually wears out, the glass base keeps going.
When glass isn’t ideal
Weight matters for commuters, and glass can shatter if dropped—use steel or glassine for on-the-go dry snacks.
See our pick: We chose a divided glass meal-prep container set with a silicone gasket.