Which is safer: Polypropylene Food Container (#5 PP) or Souper Cubes Silicone Freezing Trays?

Souper Cubes Silicone Freezing Trays is a much safer, non-toxic alternative to Polypropylene Food Container (#5 PP). While Polypropylene Food Container (#5 PP) carries a moderate-risk rating, Souper Cubes Silicone Freezing Trays is considered a clean, safer swap in this category.

Is Polypropylene Food Container (#5 PP) toxic?

Yes, Polypropylene Food Container (#5 PP) is categorized here as a moderate-risk product. For a healthier home, it is usually worth swapping it out for a non-toxic alternative like Souper Cubes Silicone Freezing Trays.

Back to ToxinChecker

Cookware comparison

Polypropylene Food Container (#5 PP) vs. Souper Cubes Silicone Freezing Trays

Best for: Lightweight food storage for cold foods and pantry items

Quick verdict

If your goal is a cleaner, lower-tox option for everyday use, Polypropylene Food Container (#5 PP) is usually the better swap in this category.

⚠️ USE WITH CAUTIONPolypropylene Food Container (#5 PP)🌿 CLEAN & SAFESouper Cubes Silicone Freezing Trays

View top-rated Polypropylene Food Container (#5 PP) on Amazon

Note: This is educational content, not medical advice. If you have specific sensitivities (e.g., nickel allergy), your best choice may differ.

The Final Verdict

Souper Cubes Silicone Freezing Trays is the clear winner. It is a non-toxic material, making it a much safer swap over the chemical risks associated with Polypropylene Food Container (#5 PP).

Shop the Safer Swap: Souper Cubes Silicone Freezing Trays →

Polypropylene Food Container (#5 PP)

⚠️ USE WITH CAUTION

Lightweight food storage for cold foods and pantry items

Materials

Polypropylene (PP, recycling #5)

Common claims

BPA-free
Microwave safe
Dishwasher safe

Concerns / watch-outs

PP is generally considered one of the safer plastics, but some studies show leaching under microwave heat
Scratched or old PP containers leach more; replace when visibly worn

Notes

Polypropylene (#5) is among the safer plastic types for cold food storage. Avoid microwaving fatty foods in any plastic container, including PP.

Cleaner alternatives

Souper Cubes Silicone Freezing Trays

🌿 CLEAN & SAFE

Freezing soups, stocks, and batch-cooked meals in portion-sized cubes

Materials

Platinum silicone
BPA-free polypropylene lid

Common claims

Platinum food-grade silicone
Freezer and dishwasher safe
Stackable

Concerns / watch-outs

Some platinum silicone products vary in quality — buy from established brands

Notes

One of the most practical silicone food storage tools. Platinum-cured silicone is inert and food-safe at all freezer and dishwasher temperatures.

Cleaner alternatives

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