1 oz Glass Boston Round Bottle 20-400 Neck Finish, Cobalt Blue

A child resistant closure can be used on a variety of bottles and is designed for healthcare and pharmaceutical applications. Sometimes called a CRC closure, this push and turn 20-400 white ribbed closure features a F217 plain liner, which is a general-purpose foam liner.

Give your customers peace of mind with a shrink band that provides an indication of tampering. Note that the bottle selected must have a neck bead in order to hold the seal band in place. These pre-cut clear PVC shrink bands have layflat dimensions of 38mm by 25mm. The band is plain (no print) and has a single vertical perforation.

Great with 20mm standard caps and droppers. To ensure proper fit, measure the circumference of the widest part of the selected closure. Testing for fit is always recommended. ** If looking for a seal band for a 20mm child resistant Push and Turn closure, see SKU # 600203. **

To learn our easy method of application, click here.

We do not allow returns on shrink bands. If you are uncertain of the size you need, or the function of this item; please contact our customer service team for guidance.

This 20-400 rblack polypropylene (P/P) continuous thread closure has a ribbed skirt, a matte (stipple) top, and includes an F217 soft polyethylene foam liner. F217 liners are chemical and odor resistant and offer a low moisture transmission rate.

This dropper assembly cap features a white monoprene bulb, polypropylene cap and straight 76mm glass pipette. This dropper is a perfect fit for our 1 oz. Boston round glass bottles shown below under "Matching Products"; and is great for a wide variety of uses from aromatherapy and essential oils to vape juice.