This listing is for a pair of tumblers! 
 
Sippy cups are 12oz, come with two lids, one sippy cup style (pictured) and a screw on lid. 
Adult tumblers are 20oz, come with a leak proof lid and straw. 
 
Match your little with these adorable Mama of a Princess & Daughter of a Queen tumblers. 
 
These keep your hot drinks hot and cold drinks cold.