(Pack of 12) 4 oz. Clear Boston Round with Black Poly Cone Cap (22/400) Go to amazon.com Related posts The 9 best 4oz glass bottles Feature(Pack of 12) 4 oz. Clear Boston Round Glass Bottles with Black Poly Cone Caps (22/400) Description(Pack of 12) 4 oz. Clear Boston Round Glass Bottles with Black Poly Cone Caps (22/400)