COLOR CHANGE: Reacting to ice cold liquids, the cup changes from one vivid color to another as the temperature drops. TROUBLESHOOTING COLOR CHANGES – cold weather conditions can affect the color change. Please allow product to come to room temperature to allow for most efficient change..Care Instructions: Machine Wash.Date First Available: May 22, 2022. Best Sellers Rank: #72,468 in Baby. Customer Reviews: 3.8 out of 5 stars 14 ratings 3.8 out of 5 stars. : B0B1W3FK6V. Item Weight: 8.4 ounces. Package Dimensions: 10.47 x 10.08 x 5.87 inches. Number of Items: 1. Unit Count: 1.0 Count. Product Care Instructions: Hand Wash Only. Pattern: Solid. Specific Uses For Product: Cold Drinks. Occasion: Christmas. Style: Modern. Special Feature: Color Changing. Capacity: 32 Fluid Ounces. Color: Teal. Brand: Lirio’s Creations.