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BNTO Canning Jar Lunchbox Adaptor

Item #: CPW04

Our price: $8.95

BNTO turns any wide mouth canning jar into an instant lunchbox, so you can pack snacks and mix or dip ingredients on the go! read more

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Lead time: 1-2 Business Days

Our Price: $8.95


BNTO (pronounced: BEN-toh) is a canning jar adaptor for bringing food on the go! Inspired by Japanese bento boxes, Cuppow created a conveniently shaped insert that separates a canning jar into two compartments. Perfect for salad and dressing, yogurt and granola, veggies and dip, chips and salsa, leftovers and more!

Features & Benefits:

  • Turns any wide mouth canning jar into a lunchbox!
  • Holds 6 fluid ounces (3/4 cup)
  • Reusable and dishwasher safe
  • Food-safe, BPA-free rigid plastic
  • Made in the USA from 100% recycled materials

How To Use:

Use the BNTO to split a canning jar into two compartments. Simply unscrew the jar ring, lift the seal, nest BNTO into the jar, replace seal over BNTO, and screw ring onto jar to close.

What size jar do I have? BNTO fits wide mouth canning jars = 3 inch mouth diameter.


Like Cuppow, BNTO is 100% made in the USA from recycled food-grade polypropylene in an ongoing effort to divert as much waste from landfills as possible.

100% Satisfaction Guarantee

We want you to be completely satisfied with every purchase you make. If you are in any way dissatisfied with a product you ordered, we'll exchange it, replace it or refund your money within 30 days of purchase. Simply email us the problem, and we'll take care of you. Certain products have extended warranties (up to 50 years!) that are listed on the particular product page. Please call us at 1-888-451-6752 if you need further clarification.

Additional Information

Dimensions 6 ounces
Material 100% Recycled food grade plastic
Key Feature Turns a canning jar into a lunchbox. Fits wide mouth jars.
Origin Made in the U.S.A.

Shipping Information

Shipping Details:
Insured against damage or loss while in transit
This Product Ships To:
US & Canada
Ships Via:
Fedex, UPS, or USPS

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  • In business since 2000
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  • Carbon-neutral, Family-owned business that promotes sustainability!
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