The Starbucks 50th Anniversary teal mermaid siren tail clear glass 12 oz mug is a limited edition collectible item celebrating the iconic coffee chain's milestone anniversary. Featuring a sleek blue design inspired by the Starbucks brand logo, this mug is perfect for coffee and tea enthusiasts. The clear glass allows for the beauty of the drink to shine through, making it a must-have for any Starbucks fan looking to add a special piece to their collection.