Product Name

Ball Mason Jars (Set) by Ball

Retailer

Costco (US)

Product Category

Food Storage Containers

Intended Use

Storing food and beverages in the kitchen or pantry. Suitable for canning, meal prep, leftovers, and dry goods storage. Not intended for use with incompatible food types or temperatures beyond what is specified on the packaging.

Ingredient List

Materials listed on product packaging may include:

  • Glass (jar body)
  • Steel (lids and bands)
  • Plastic (may appear on some components — check label)
  • Silicone (may appear on some sealing components — check label)

Always verify the exact materials on the label of the specific set you purchase, as formulations and components can vary by product size and series.

Non-Toxic Evaluation

Glass is a well-established food-safe material. Unlike many plastics, glass does not absorb odors, stains, or moisture, and does not leach chemicals into food under normal storage conditions. Steel lids, when properly sealed, minimize plastic contact with food contents.

This product does not contain fragrance, dyes, preservatives, surfactants, or quaternary ammonium compounds — making it a low-irritant choice for households with children, pets, pregnant individuals, or allergy-sensitive family members.

From a non-toxic living perspective, choosing glass over plastic for food storage is a practical step toward reducing household chemical exposure. That said, the presence of plastic or silicone components (depending on the specific set) means it is important to review the label before purchase.

Ingredients of Concern

  • Plastic components — Some versions of this product may include plastic parts that come into contact with food or lids. Confirm materials on the specific label before use, especially for hot liquids or acidic foods.
  • Silicone seals — Silicone is generally considered food-safe, but verify heat ratings and intended use on the packaging before using with high-temperature applications.

Final Verdict

Recommended with label check. Ball Mason Jars are a solid, family-friendly food storage choice grounded in the use of glass — a material with a long track record of food safety. The glass body and steel lid construction supports a low-irritant, fragrance-free kitchen storage approach that aligns with KinLife’s non-toxic values.

Before use: rinse thoroughly. Follow all heat and microwave instructions on the packaging. Discontinue use of any jar that is chipped or cracked. Confirm plastic and silicone component details on your specific product label.

*Not medical advice. Always read product labels and consult a professional for health-specific concerns.