HDPE Plastic Food Container (#2) vs. Klean Kanteen Stainless Steel Bottle

Materials

• High-density polyethylene (HDPE, recycling #2)

Common claims

• BPA-free
• Dishwasher safe
• Lightweight

Concerns / watch-outs

• HDPE is one of the safer plastics but can still leach additives at elevated temperatures
• Avoid microwaving or storing hot food — cold and room temperature use is lower risk

Notes

Among the safer plastic types for cold food storage. Avoid heat and replace if cracked or scratched, as degraded surfaces leach more readily.

Cleaner alternatives

• stainless steel food container
• borosilicate glass container

Materials

• 18/8 food-grade stainless steel
• bamboo or stainless cap

Common claims

• Certified Climate Neutral
• BPA-free
• Lifetime guarantee

Concerns / watch-outs

• Some older insulated models used a plastic liner — verify on newer models
• Stainless-on-stainless threading can cross-thread if rushed

Notes

One of the most reputable stainless bottle brands. Certified B Corp and Climate Neutral. A top pick for safe daily hydration.

Cleaner alternatives

• stainless water bottle
• kinto water bottle