Widely Used--They can be used for mixing or sampling cosmetics such as makeup, eye shadows, lotions, lip balms, lip gloss, toners, creams, ointments, and acrylic powder. They can also be used in the world of food and beverage by holding loose leaf teas, coffee, herbs, spices, jams, honey, and cooking oils. Other uses include: medication, lab and field research samples, earrings and other small jewelry, paints, glitters, and other art supplies