Hidden two-letter code reveals if your plastic containers are toxic
Polypropylene (PP) is widely used in takeout containers and food storage. It is heat-resistant, BPA-free, and generally microwave-safe, making it one of the safest plastics for reuse.
Does Costco's Kirkland Signature Water Contain BPA? - Tasting Table
BPA, a common chemical found in plastics, can leach into food and beverages, leading to health concerns such as fertility issues and hormonal disruptions.