This 20oz skinny tumbler is highly durable and resistant to break and rust. They are double-wall vacuum insulated can keep your drinks cold for 12 hours and hot for 6 hours. No harm to human health.
No metallic taste, dishwasher safe. The lids use BPA-FREE plastic, which is completely non-toxic. Each tumbler comes with a reusable plastic lid and straw, and an individual box.
