Onyx Airtight Containers


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These round airtight food storage containers are a perfect addition to your kitchen and can be used for any type of food or storage you can think of. Easy to keep your leftovers in, marinate your food, store dried goods, or pack with you for lunch or a meal outdoors. They are made with the best food grade stainless steel you can get (#316, 18/10) and the lid has a silicone seal to prevent any leaking.

The containers are completely airtight and odour resistant. You can also write on them with a non-permanent or China marker helping to specify the contents or the date food was stored. The bottom part of the container can be washed in the dishwasher, but the lid is not dishwasher or oven safe. 

  • 8 cm container holds 140ml / 0.6 cup
  • 10 cm container holds 350ml / 1.5 cups
  • 12 cm container holds 710ml / 3 cups
  • 14 cm container holds 1.1L / 4.75 cups 
  • 16 cm container hold 1.5L / 6.6 cups
  • 18 cm container holds 1.75L / 7.7 cups
  • Food grade 18/10 stainless steel
  • Continually reusable 
  • Airtight, leakproof
  • Freezer friendly
  • Odour resistant
  • Dishwasher safe bottom
  • Based in British Columbia, manufactured responsibly in South Korea


Onyx was created by new parents in British Columbia who wanted to find an alternative to the plastics we use in our kitchen to eat, cook and store our food. They wanted their products to be safe, uncompromising of your health, affordable, environmentally responsible, manufactured responsible and high quality. The end result was high quality food grade stainless steel. All their products are manufactured in responsible conditions, fairly priced and made of the highest quality. They continue to work on new products and are always looking for new and interesting ideas

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