Sip in Style! 🌊 A must-have for every Starbucks lover! Perfectly sized for all your cold drink cravings! Stand out with this exclusive tumbler! Stay stylish while enjoying your favorite beverages! Watch your drink transform with every sip! Limited edition Color-changing magic 24 oz capacity The Starbucks 2021 Christmas Holiday Siren Mermaid Blue Plastic Color Change Tumbler is a limited edition, 24 oz tumbler that features a unique color-changing design, making it the perfect gift for Starbucks enthusiasts and a stylish companion for on-the-go beverages.