Baby Gender Reveal Blue - Color Changing Straws;

Popular Gender Reveal Party Idea, Baby Shower, or Baby Announcement - Novelty Gender Reveal Blue for Baby Boy. Straws change color when cold. Any time is a fun time for Cool Change - Fun for all ages! FDA certified for food contact. How Cold Is Your Drink? 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.)