Empress PET flat straw slot lids are designed to fit 12oz squat to 24oz PET cups. Made from clear, durable PET plastic, these lids offer impeccable clarity to view contents while providing a tight seal to lock in original beverage flavors. They are resistant to freezing, heating, and cracking, ensuring reliable performance in various conditions. The lids are odor and flavor resistant, preserving the taste of drinks. Their transparent color and sturdy construction make them suitable for cold and hot beverages, maintaining quality and freshness. Available in a case of 1000, these lids provide excellent value for bulk use.