Onyx glass airtight container round 310ml

Onyx stainless steel and glass plastic free containers combine the best materials for food storage. Made from high quality, food grade 18/8 stainless steel and borosilicate glass with a silicone button to create an airtight seal.  Dishwasher, freezer, oven and microwave safe (without lid) and BPA free. Please note: sides of bowl are sloped, unlike picture.

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Customer ratings and reviews

2 rating(s) - 2 review(s)
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Onyx stainless steel and glass containers combine the best materials for food storage.

This versatile container is excellent for packing a healthy, waste free lunch or home food storage. It has a silicone button in the lid to make create an airtight seal for freshness.

you are making a difference:

  • Pack a waste and plastic free lunch with reusable lunchware instead of disposable alternatives.
  • Stainless steel is 100% recyclable at the end of it's useful life.
  • Glass is infinitely recyclable.
  • Buying responsibly made products that are made to last a lifetime


  • High quality food grade materials
  • 18/8 stainless steel lid with a silicone button seal
  • Borosilicate glass container
  • Airtight
  • Dishwasher safe
  • Freezer safe
  • Oven & microwave safe (without lid).  Stainless steel is NOT microwave safe.


11.5cm W x 6cm H, 310ml capacity.  All measurements are approximate.

US company. Made responsibly in Korea

Browse our other Onyx stainless steel containers

  • Shop by your values Toxin free, Plastic free, Zero waste, Made to Last, PVC Free, Phthalate Free, BPA Free
By on 20 Nov. 2016 :
Title : No Plastic!
Comment : I love these containers! Unlike many of the glass containers out there, these onyx ones have steel lids rather than plastic ones. As my old plastic storage containers wear out, I'm slowly replacing them with these. This size is pretty small, useful for packed lunches and really good for things like humus, dips, yoghurt, or portions of baby food etc.
(Onyx glass airtight container round 310ml)
By on 15 Feb. 2016 :
Title : Delivers all it promises. Is quite small.
Comment : I really like this container. It didn't get full stars as the top kind of 'indents' and compresses some food/ can't fit as much in it. The glass bottom is great for around the house use and i like having the lid for saving food (eg, saving leftover hummus or dips).
(Onyx glass airtight container round 310ml)

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