Thrive Market Insulated Stainless Steel Tumbler: Positive for 334,100 ppm Lead on the uncoated bottom exterior of the cup (90 ppm & up is unsafe for kids)
For those new to the Lead Safe Mama website: Tamara Rubin is a multiple-federal-award-winning independent advocate for childhood Lead poisoning prevention and consumer goods safety, and a documentary filmmaker. She is also a mother of Lead-poisoned children (two of her four sons were acutely Lead-poisoned in 2005). Tamara owns and runs Lead Safe…