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Food Storage comparison

Souper Cubes Silicone Freezing Trays vs. Nalgene Tritan Wide-Mouth Bottle

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

Quick verdict

If your goal is a cleaner, lower-tox option for everyday use, Nalgene Tritan Wide-Mouth Bottle is usually the better swap in this category.

USE WITH CAUTIONNalgene Tritan Wide-Mouth BottleCLEAN & SAFESouper Cubes Silicone Freezing Trays
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Note: This is educational content, not medical advice. If you have specific sensitivities (e.g., nickel allergy), your best choice may differ.

Toxicity & Material Analysis

Does either contain PFAS, PTFE (Teflon), PFOA, or other forever chemicals?

Souper Cubes Silicone Freezing TraysPFAS-FREE

Materials

  • Platinum silicone
  • BPA-free polypropylene lid

No PTFE, PFAS, or Teflon detected in this product's profile.

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Nalgene Tritan Wide-Mouth BottlePFAS-FREE

Materials

  • Eastman Tritan copolyester
  • BPA-free

No PTFE, PFAS, or Teflon detected in this product's profile.

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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 Nalgene Tritan Wide-Mouth Bottle.

Shop the Safer Swap: Souper Cubes Silicone Freezing Trays →

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

Nalgene Tritan Wide-Mouth Bottle

USE WITH CAUTION

Outdoor hydration — hiking, camping, sports

Materials

  • Eastman Tritan copolyester
  • BPA-free

Common claims

  • BPA-free
  • Virtually unbreakable
  • Made in USA

Concerns / watch-outs

  • Tritan plastic can leach tritan-specific chemicals (EA and YY) under stress
  • Not stainless or glass — still a plastic bottle
  • Long-term safety data on Tritan monomers is still evolving

Notes

Best of the plastic bottle category, but still plastic. Fine for occasional use. For daily carry, stainless or glass is preferable.

Cleaner alternatives

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Data sourced from the ToxinChecker dataset. Ratings reflect material safety research, not medical advice.