This is a 4 oz clear boston round squat made of polyethylene terephthalate (PET) with a 20-410 neck finish. Boston rounds have rounded shoulders and a round base. They also have a narrow screw neck perfetc. for pumps, sprayers, and droppers. They are perfetc. for personal care packaging, chemical containers, pharmaceuticals and more.
20-410 Black Ribbed Stipple Top Cap (F-217 Foam Liner)
20-410 Silver Aluminum Ribbed Neck Metal Cap (Foam Liner)
20-410 Smooth Plastic Disc Top White Cap (No Liner)
20-410 White Ribbed Stipple Top Cap (.035" F-217 Foam Liner)