These clear PET (Polyethylene Terephthalate) Boston round bottles are a great multi-use bottle. They provide high product visibility. They could be used for pharmaceuticals, personal care, product samples, or energy shots. They have a rounded shoulder design with a center band for labeling. They have a 20-410 neck finish. Top them off with our flat caps or dropper cap. The caps come with a no sealing liner. These bottles are BPA free, FDA approved, and proudly made in the U.S.A. NOTE: We advise you to test your product with the packaging to ensure product and volume compatibility. 1.5 Fl Oz (45ml) Clear PET Boston Round Bottle 20-410 Neck 8g