Party essentials 1.5 ounce capacity hard plastic gelatin shot injectors with caps are great for adding extra fun to any occasion! Each purchase includes 24 syringes with plungers and caps; syringes are hand washable; reusable or disposable for quick after party clean-up. Injectors can be filled with Jello as well as beverages; peanut butter or yogurt; pre-fill them for easy plan-ahead party prep.