Color Changing Straws (2pk) Its A Boy;

Any time is a fun time for Cool Change. Color Change Reusable Drinking Straws - Reveal Blue - 2 packages of 12 each. Fun for all ages! FDA certified for food contact. Use any of the cool change products with ice cold liquids and presto... the color will change right before your eyes! PLEASE NOTE: Color change will vary depending on temperature, lighting, color of drink, and perception of color. Color change is due to temperature change. The warmer it is... the lighter the color. The colder it is... the bolder the color. Color changing ability decreases with prolonged exposure to direct sunlight.