3 piece family tumbler set. Comes with a 20 oz Duo, a 20 oz Skinny, and a 12 oz Kids Sippy Cup. The Duo has two screw-on lids - a slider lid and a lid with a carabiner clip. The Skinny tumbler has a pop-on slider lid. The Kids Sippy Cup has a pop-up sippy spout. All three come with a plastic straw.