If you have salad dressings and the like, our sister company BASCO’s 4 oz Clear Boston Round Bottle achieves that easy, controlled, smooth pour desired due to its round shoulder design and narrow 22-400 neck finish. Also known as a Winchester bottle, this 4 oz bottle is additionally ideal for displaying products with a simple yet unique look. It is excellent for dressings, vinaigrettes, syrups, pharmaceuticals-supplements, flavor extracts, and the like with FDA compliant sustainability. The Boston round glass bottle is impermeable with a low chemical reaction rate preserves flavors and smells.