Capacity: 0.01 mL (10 – 15 mg weight range) 100 red antistatic polypropylene micro scoops. These scoops hold approximately 10-15 mg of powder depending on the bulk density. Please be sure to check a volumetric conversion for a dosage with a milligram scale before assuming an 10-15 mg range. Some powders may be more dense and fall outside of this range.