The DIN18 Screw Cap with Tamper-Evident Seal and Vertical Dropper (item RGB02E2B002-200) from Calaso is a precision closure designed to combine security, functionality, and premium design. Crafted in black polypropylene (PP) with a DIN18 III-D thread, this closure integrates a tamper-evident ring to ensure consumer confidence through visible proof of first use. Inside, a natural vertical dropper insert with a 1.0mm orifice provides fine and accurate dosing, making it especially well-suited for lightweight, low-viscosity liquids such as essential oils, serums, and active skincare blends.

The closure features a smooth, matte black collar finish that delivers a minimalist yet refined appearance, perfectly complementing both clear and tinted glass bottles. The 1.0mm vertical dropper ensures exceptionally controlled dispensing, reducing product waste while enhancing user precision during application. Its compact and ergonomic construction offers reliability across a broad range of personal care and wellness formulations.

Reflecting Calaso’s commitment to quality manufacturing and functional design, this tamper-evident closure provides brands with a dependable packaging solution that balances performance with modern aesthetics. The secure DIN18 III-D compatibility guarantees a tight, reliable seal, while the premium design ensures consistency across product lines.

For professionals seeking a closure that emphasizes safety, precision, and elevated presentation, the DIN18 Screw Cap with Tamper-Evident Vertical Dropper offers an ideal solution. Manufactured in Europe and shipped from Calaso’s U.S. facilities, it is a trusted component for brands aiming to deliver both product integrity and a polished, modern aesthetic.