I'm not really a mama bear I am more of a mama llama. I'm pretty chill but I'll kick you and spit on you if you mess wit my kids.
• Kitchen-grade stainless steel, rust-resistant
• Vacuum insulated: 20 oz. tumblers are double-walled and vacuum insulated stainless steel, which keeps your favorite beverage hot or cold for hours
• Keeps drinks cold for 24 hours, and hot for 12 hours
Each tumbler comes with a plastic straw.