Developed by an award-winning design team, the Duallok provides the most beautiful, user friendly and compliant package for high-end controlled substances.

The Duallok’s patented double-lock design — certified under the 16 CFR 1700 guidelines for child resistance — keeps kids safe and brands compliant.

The Duallok opening experience is a masterclass in simple, intuitive interaction and has passed senior trials for easy opening.

The Duallok format can be tailored to house a wide range of products from vape cartridges, pre-rolled joints and concentrates, to pharmaceuticals and other healthcare related products.

How The Duallok Works

Certified Child Resistant

Our entire lineup of Springlock Tins is certified child-resistant. They’re specifically designed to only be opened by adults.

Award Winning Design

The Duallok has won several awards for its unique closure system. See what all the fuss is about, and get yours today!

Robust Print Capabilities

Like all Happy Head products, the only limit is your imagination. From Pantone matching to metallics and spot UV, customize to your heart’s content.

The environmental Choice

Made almost exclusively out of paper — from a renewable forestry resource — the Duallok is proudly environmentally-friendly.

Multiple Sizes Available

The Duallok is available in multiple sizes, so you can safely store cartridges, pre-rolls, or whatever else you desire.

Customizable Inserts

Our customizable inserts come in multiple materials, shapes, and sizes, to hold your product in place.

What are you waiting for?

Get yourself some Springlock Child-Resistant tins today!

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