They are very small [1]. Also you are unlikely to notice, say, a plastic fiber in bread. https://www.theguardian.com/environment/2019/jun/05/people-eat-at-leas

They are very small [1]. Also you are unlikely to notice, say, a plastic fiber in bread. https://www.theguardian.com/environment/2019/jun/05/people-eat-at-least-50000-plastic-particles-a-year-study-finds https://www.theguardian.com/environment/2019/jun/05/people-e...