These jars are great for use in every industry. They are especially popular among the pharmaceutical, nutraceutical, environmental and chemical industries. These small regular wall containers are just the right size for a variety of products and materials,from supplements and pills to lab specimens and samples. Small plastic jars for all your small parts, candies, edibles and small storage needs. Opaque jars available in white, clarified and black are popular among dispensaries for marijuana, cannabis storage.