Uncomfortable with the thought of putting unsafe products into your mouth? So are we. Taste The Earth has gone above and beyond to make sure our ceramic coated insulated mugs are proven safe to use by testing our products at certified laboratories. At Taste The Earth, we are an open book and have nothing to hide. We publicly post all our clinical testing results on our wesite so you can see for yourself. We currently hold compliance certifications for: FDA, California Prop65, and European RoHS.