This is an 8 ounce dark amber Boston round made of polyethylene terephthalate (PET) with a 24-410 neck finish. Boston rounds have rounded shoulders and a straight base. They also have a narrow screw neck perfect for pumps, sprayers, and droppers. They are perfect for personal care packaging, chemical containers, pharmaceuticals and more.
The appropriate dip tube lengths are listed below.
Fine mist sprayer: 5 1/8".
Lotion Pump: 4 3/4"
Treatment Pump: 4 5/8"