Great Value Sandwich Bags
Summary
Standard LDPE (low-density polyethylene) sandwich bags from Walmart's Great Value brand. LDPE is one of the better-studied plastics with relatively low leaching risk at room temperature. BPA-free but contains no special safety features. Single-use plastic generates significant waste. Some microplastic shedding from zipper mechanism. Adequate for basic cold food storage but not recommended for warm foods or long-term storage.
At a glance
Key ingredients 4
LDPE (Low-Density Polyethylene)Bad
Single-use plastic; generates microplastics from mechanical wear of zipper and bag surface with normal use
See more about LDPE (Low-Density Polyethylene) →BPA-FreeGood
Does not contain bisphenol-A; however does not address other potential plastic chemical concerns
See more about BPA-Free →Single-Use Plastic WasteBad
Disposable format contributes significantly to plastic waste stream; no recyclability in standard programs
See more about Single-Use Plastic Waste →Zipper Microplastic SheddingBad
Zip lock mechanism generates plastic particles with repeated opening and closing; particles may enter stored food
See more about Zipper Microplastic Shedding →Processing
Unprocessed or Minimally Processed Foods
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