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Are KeepCups bisphenol A (BPA) and bisphenol S (BPS) free? What kind of plastic do you use?

The KeepCup and all its components are BPA and BPS free! The cup itself and the lid are made from polypropylene, the plug is a LDPE, the booster is made from a tritan a copolymer polyester, the thermal band is made from silicone.

We researched our plastics with care. Polypropylene #5 is the safe food grade plastic.

Bisphenol A (BPA) is contained in polycarbonate (plastic #7). The other plastic to avoid as reusable is #2 PET.

The numbers relate to the chemical compounds used to manufacture the plastic and must be displayed.  #7 is a catch all for all unclassified plastics.

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