Capacity: 1 oz inner chamber and 2.75 oz outer chamber. Shot cups designed for use with various beverages. These reusable cups are hand washable and can be disposed of after use for easy cleanup. Made from soft, durable, and flexible plastic, they are less prone to breakage compared to rigid plastic cups. Ideal for parties, weddings, buffets, catering events, bars, birthdays, holidays, festivals, and themed gatherings with ultraviolet blacklight. Use with popular liquors such as vodka, whiskey, rum, or schnapps. We stand behind all of our shot cups. If you are not completely satisfied, please reach out and we will make it right. When shopping, please review the product size and dimensions to ensure suitability. Detailed product information, including features and specifications, is provided in the title and description. We want you to be fully satisfied with your purchase. For any questions or concerns, feel free to . We are here to help. Thank you for choosing our product. We hope you enjoy it.