the shoulders and base are right angles, or square. It has a wide mouth, but an even wider base. Glass has high clarity, can be colored, has high chemical-resistance levels, and has extremely high resistance to heat and cold. It is great for storing essential oils.
1 oz white PP single wall jar with 43-400 neck finish. Single wall jars are normal 1-piece jars. They're called "single wall jars" to distinguish them from th