Zak Designs Barbie Stainless Steel Vacuum Insulated Tumbler with Silicone Straw The Zak Designs Barbie Stainless Steel Vacuum Insulated Tumbler is a three-piece set that includes a 40oz tumbler with a drink-through lid, featuring a novelty pattern with Barbie and Winnie the Pooh characters. This tumbler keeps drinks cold or hot for 12 hours and is made of high-quality stainless steel. The pink color and "Beauty" theme make it a stylish choice for teens, adults, and girls who love Barbie. With features like a handle, insulated properties, and a limited lifetime manufacturer warranty, this tumbler is both practical and durable for everyday use.