1/2 oz. Amber Boston Round Glass Bottle, 18mm 18-400

18mm 18-400 Black Child Resistant Glass Dropper (for 1/2 oz. Bottles)

The 30WDC1 is a black Child Resistant Glass Dropper for 1/2 oz. Boston Round Bottles that has a 18 mm (18-400) neck finish. This dropper has a polypropylene (PP) plastic dropper and 66 mm glass pipette. The glass tube and rubber bulb is ideal for dispensing essential oils, medicine, skincare and chemical products. Child resistant dropper caps have a child-resistant locking to prevent kids from getting a hold of harmful products. This glass dropper is compatible with the bottles available below.

18mm 18-400 White Child Resistant Glass Dropper (for 1/2 oz. Bottles)

The 30WDW1 is a white child resistant glass dropper for 1/2 oz. boston round bottles that has a 18 mm (18-400) neck finish. This dropper has a polypropylene (PP) plastic dropper and 66 mm glass pipette. The glass tube and rubber bulb is ideal for dispensing essential oils, medicine, skincare and chemical products. Child resistant dropper caps have a child-resistant locking to prevent kids from getting a hold of harmful products. This glass dropper is compatible with the bottles available below.

18mm 42 x 30 Clear Perforated Shrink Band for Dropper Cap

68WSD1 is a 18mm 42 x 30 clear perforated shrink band made especially for dropper caps. Shrink bands are a cost-effective way to provide tamper-evident protection to packaged goods. Heat shrink bands are manually applied over and around the cap of a container. Heat is applied using a heat gun or heat tunnel until the band shrinks and closely fits around the container. Perforation allows for easy removal of the seal.

18mm 18-400 Black Phenolic Cap w/Tri-Foil® WP F217 Liner

The 30BVA1 is a 18mm 18-400 neck finish black phenolic cap with a Tri-Foil® WP F-217 liner. Phenolic, short for Phenol Formaldehyde Resin (PF). At 220°C (428°F) or above, Phenolic caps will start to decompose. However, due to their non-chemically reactive nature, when exposed to corrosive or harmful chemicals over time, phenolic caps will not give out the way other polymers might.

18mm 18-400 Black Phenolic Cap w/PV Liner

The 30W18C is a 18mm black Phenolic cap with PV liner. The poly vinyl liner is chemical resistant, which makes the 30W18C a great option for mild acids and alkalis, solvents, oils, alcohols, and more. These are recommended for use on glass bottles, but can also work with plastic containers.

18mm 18-400 Black Plastic Cap w/PolyCone Insert (Polyseal®)

The 30WC19 is a 18mm black cap with a poly cone insert. The poly cone liner acts as a wedge insert that seals the lip and the inner neck of a bottle, providing extra protection from leakage. These are recommended for use on glass bottles.

18mm 18-400 Black Ribbed (Matte Top) Plastic Cap w/Foam Liner (3-ply)

The 30BVA8 is an 18mm (18-400 neck finish) Black continuous thread plastic cap with a .040" three-ply co-extruded polyethylene foam liner (F217 style). This closure is made of polypropylene (PP) plastic and fits our 18-400 vials, bottles, and jars. This plastic cap features a textured (matte) top and a ribbed side. The ribbed-sided design allows for ease of use when removing the lid. The 3-ply foam liner is compatible with many substances and is great for general lining applications.

18mm 35 x 25 Clear Perforated Shrink Band

The 68WS18 is a 35 x 25 (mm) clear vertical double perforated shrink band for 18mm (18-400 neck finish) standard caps. Shrink bands are a cost-effective way to provide tamper-evident protection to packaged goods. Heat shrink bands are manually applied over and around the cap of a container. Heat is applied using a heat gun or heat tunnel until the band shrinks and closely fits around the container. Perforation allows for easy removal of the seal.