Bohtal Insulated Tumbler

This tumbler is made of high-quality 18/8 stainless steel and features double-wall vacuum insulation to keep drinks cold for up to 12 hours. It is BPA-free and phthalate-free.

• The description claims that the tumbler is made from the best available 18/8 stainless steel and can last up to three times longer than inferior brands.
• The description claims that the tumbler can keep drinks cold for up to 12 hours.