The 2 oz. Cobalt Blue Glass Boston Round Bottle with Black Treatment Pump is a versatile bottle that is perfect for holding virtually any product. It offers a sleek, stylish look with a brilliant blue hue. Includes Black Treatment Pump with 3.75" Dip Tube. Dispensing Amount: 190 mcl per stroke. Dip Tube will need to be cut to fit. When cutting the dip tube, make sure to cut at a 45 degree angle.