Cuppow BNTO Widemouth Jar Lunchbox Adaptor
177 mL Capacity Clear
BNTO (ben-toh) is Cuppow's newest canning jar adapter for bringing great food with you on the go! Cuppow took inspiration from Japanese bento boxes and created a conveniently shaped insert that separates a canning jar into two compartments so you can mix or dip like a champ.

This BNTO canning jar adapter is for use with a wide mouth canning jar.

  • 6-ounce (177 mL) capacity
  • Jar sold separately
  • Made from BPA/BPS-free rigid plastic
  • Reusable and dishwasher safe (top rack only!)
  • Product and Packaging made in the USA, from 100% recycled materials

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David: more than a year ago

Great product. Fits well, no leaks.

Chantal: more than a year ago

A little expensive, but if you are a fan of mason jars it's a must!

Lisanne: more than a year ago

Great product! A little expensive for what it is but works great. Only wish it would come in a size smaller to fit regular mason jars.

Kyla: more than a year ago

Another great mason jar accessory! I have been able to eliminate so much plastic "tupperware" in my house by getting these! They are so handy and make packing snacks convenient and fun. Keeping dips and sauces away from the foods until you need to mix and use is so great and allows more space in your lunch bag! Another must have accessory in any mason jar enthusiast's kitchen!

Mary: more than a year ago

These are great - perfect way to pack a quick lunch! Hummus spilled out of all my containers before, and now I have a way to cart salad dressing back and forth without spills (or soggy salad).

Amber: more than a year ago

This item is great for holding hummus for your veggies or granola for your yogurt. It is made of hard plastic and therefore is easily removed and set on the table beside. I love how it reduces the amount of containers I need to use while packing lunch.

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