The boston round bottle is distinctive in its classic shape. Characteristic of the boston round are its rounded shoulders and rounded base. Glass has high clarity, can be colored, has high chemical-resistance levels, and has extremely high resistance to heat and cold. If you are using any oil based products it is best to get a sample of this item to test with your product as we cannot guarantee it will work well with your product. 

Due to the different combinations of ingredients in particular active ingredients, essential oils or any oil based product, certain plastics may react poorly with your products and become defective. We cannot guarantee that any container will function properly with your particular product.