Size: 3.85 inches in upper caliber, 2.36 inches in diameter at the bottom of the cup, 6.81 inches in height. Pack of 5 color-changing cup, purple * 1 blue * 1 orange * 1 green * 1 pink * 1 The straw is a reusable straw. Product material: Both the lid and the cup use food grade PP, non-toxic and environmentally friendly, please rest assured to use The straw has a fixed ring design, which won't slip out easily,The concave and convex design at the bottom of the cup makes the placement more stable Pour water or ice water below 15 degrees will automatically change color. When the temperature is low, it will automatically change color. Pour warm water will change back to the original color When the external environment temperature is high, it is recommended to put ice cubes. For better color change The straw is a reusable straw, and the plastic cup is also reusable! Product description Special plastic cup, it will change color when it is cold water or ice water. This cup suitable for use in hot summer days. Colorful colors are available. Recyclable plastic cups, also presented with straws, Perfect for cold drinks, environmentally friendly and healthy. A group of 5 cups to share cool cups with family or friends Capacity: 24 oz Features: Discoloration in case of cold water or ice water Material:plastic Size:Single size: 3.85 inches in upper caliber, 2.36 inches in diameter at the bottom of the cup, 6.81 inches in height Straw: 9.85 in Package Contents: 5* plastic color-changing cups with lids 5* straws Legal Disclaimer Please wash before first use. No microwave please.