The Green Coconut Reusable Silicone Straws, 4-Pack, Green Food grade silicone straws are 100% safe and nontoxic, reusable, and eco-friendly. Composed of FDA approved and BPA-free silicone. Use in hot and cold beverages. Withstands extreme temperatures: safe from -40 degrees fahrenheit to 500 degrees fahrenheit. Wide enough for smoothies, blended frozen drinks, and juices with pulp. Silicone is non-stick, flexible, durable, and easy to clean. Kids and adults love em! Stop using disposable straws and get The Green Coconut Reusable Silicone Straws today!