What is the Sports Cap made of? Is it toxic-free?

The Sports Cap is made of

  • Prolypropoleen (plastic number 5) for the yellow and blue drinking part.
  • TPV (plastic number 7) for the grey part of the sports cap.

Both materials are safe plastics without chemical plasticisers (such as BPA). In addition, the Sports Cap is American FDA (Food and Drug Administration) approved, which means that the materials the Dopper is made of are safe when used in contact with drinks and food.

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