If you care about the earth and want to bring some extra fun to your beverage, try our colorful Mood Straws! These environmentally-friendly, food-grade silicone straws change colors when put in a cold drink! Our straws are a great alternative to stainless steel, bamboo, or plastic straws. Perfect for your plant-based green smoothie, portable to pack in your lunch box, and fits in most 20oz/30oz Yetis. Easily brush out any residue with our squeegee, and run it through the dishwasher.