For a bold style choose blue plastic jars in the heavy wall style paired with smooth silver plastic caps. These blue plastic jars are composed of PET providing oxygen and moisture barriers, while also protecting UV protection for light sensitive ingredients. The silver polypropylene plastic caps with PE liners assist in maintaining product freshness while creating an eye catching set when paired with these blue plastic jars. Be sure to test they heavy wall blue plastic jars with silver caps for products that could include lotions, creams, and other body care products.