The "Wolves Running 20 oz Skinny Tumbler" is a three-piece tumbler featuring an animal print design with wolves. It has a slide lock lid and is made of stainless steel and BPA-free plastic. This tumbler can keep beverages hot for 8 hours and cold for 12 hours. It is suitable for hot or cold drinks and has a capacity of 20 oz. The tumbler also comes with a straw and is recommended to be hand washed only.