How to useBakers and confectioners who plan to use the manual airbrush for both liquid and dry applications should consider purchasing two pumps in order to avoid potential clogging or the need to wait for the pump to totally dry before using glitter.fine glitter rather than course glitter should be used in order to avoid clogging the pump. HandyGreat for the beginner cake decorators and seasoned professionals. allows you to quickly and easily apply paint and glitter to cakes, cupcakes, chocolates and other desserts. SpecificationThe manual airbrush by comes with a newinterlock system and 3 extra reservoirs. Size andcapacity: 9.7 x 1.2 inch diameter (24.6 x 3 centimeter diameter); reservoir:holds 1.3 ounces (40 milliliters)material: plastic with rubber o-ring seal. Quality assurance: We are proud to create the best products for our customers. if you are not satisfied with the purchase, please contact our team. we will provide you with the best after-sales service