Mason Jars are out, and TerpLoc® Mason Jar Bags are in! Say goodbye to those expensive, breakable, and outdated packaging solutions for your cannabis. Protect your investment with packaging that’s MADE for you product.

Package sizing is based on the amount of dry product added. Contact us for wholesale options.


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The world is currently crazy about mason jars, but it’s not the first time. The last time the jars were found in such abundance was the around the 1940s ― an estimated three million canning jars were sold during that period ― when the jars were used to preserve the summer’s bounty for enjoyment (or survival) when nothing would grow in the winter. Today, mason jars are being repurposed into everything from salad containers to vases to toothbrush holders ― and occasionally they still preserve food.

Because of the mason jar’s renewed popularity, we see them everywhere. But how many of us know anything about them, really? Like, why they’re even called mason jars to begin with, and why they’re everywhere? The answer is pretty simple (and a great piece of trivia). Adapted from The Huffington Post

The history of Mason Jars

Mason jars were invented by Philadelphia tinsmith John Landis Mason. He named the jars after himself and patented his design in 1858. Despite how many jars exist in the world today, Mr. Mason sadly did not attain wealth and glory with his invention. He sold off the patent before the design took off.

Characteristics of Mason Jars

There are a few characteristics in the design of Mr. Mason’s jar that made them so popular. For one, it was the first time bleached glass was used, allowing canners to see what was inside. (This is especially important in determining if canned food is still safe to use for consumption.)

And then there’s the most important feature: the top. Mason jars have a two-part top ― a lid with a rubber ring on the underside, which creates a vacuum seal (which is so integral for safe canning), and an outer band with screw threads that are reusable. The lids can only be used to seal once, but the jars and bands can be reused many times. It might seem like a simple feature today, but before his patent folks were preserving food with glass jars that were sealed with a thin, flat lid and wax, which was messy, not reusable and not entirely reliable. Mason’s lids were a huge step up.

The first people to capitalize on Mr. Mason’s brilliance were the Ball brothers in 1884. Their Ball brand jars are still used today. Chances are you’ve had a cocktail out of one at least once or twice. And, maybe you even used them to make preserves.

How TerpLoc™ works

Once your product is sealed inside the TerpLoc™ Ultraclear bag, all unwanted gases and water vapour are actively diffused through the pouch’s layers. The layers create a relative humidity level of 62% and limits the oxidation of the product stored inside.

  • In/Out Gassing creates and maintains an optimal cannabis climate allowing you to cure product en-route. Thereby, shortening lead times without compromising quality.
  • Low Oxygen Levels within Grove Bags provide extended shelf life without the use of expensive and unnecessary nitrogen flushing systems.
  • Active Humidity Control protects your product without the need of costly humidity control packets that damage terpene and cannabinoid profiles.
  • Anti-Static Properties ensure that there is a neutral charge down the sidewall of your package. Thereby, preventing any trichome damage or lost product.
  • Odour Control that provides compliance and discretion.
  • UV layer combined with the opacity of the packaging provide premium protection from UV rays preventing the break down of organic material.
  • Durability to prevent puncturing ensuring the packaging’s cannabis climate is not compromised.

The benefits of TerpLoc™ by Grove Bags

Terpene Preservation

Grove Bags use a combination of humidity control, outgassing, and anti-static properties to create and maintain the perfect cannabis climate. This minimizes the evaporation and oxidation of terpenes into our pouches head space and allows for maximum retention of terpenes.

Weight Retention

Weight is directly related to the moisture content of the cannabis and also determines your cash flow. The more weight you lose, the more revenue you are losing. Every gram is crucial to your bottom line, with the current industry in the USA at about 0.1 g representing $1 of revenue.

Mould Prevention

Simply put, mould destroys cannabis and profits. All Grove Bags have active humidity control, allowing moisture to continually flow in and out of the bags to keep levels balanced. This keeps your cannabis fresher for longer and allows users to place product in our bags sooner
than our competitors.

TerpLoc™ by Grove Bags vs Competitors

We wanted to prove that we are the best packaging option in the cannabis industry. Thus, we decided to let the data and facts decide. Since the completion of the third party lab testing, we can now prove that our TerpLoc ™ packaging is the best in the business and creates the optimal cannabis climate.

Third party testing – We put our bags to the test

The test was designed with 12 different conditions which included 2 x Grove Bags ⅛ oz pouches, 1 x Grove Bags 1 oz pouch, and nine other containers historically used for cannabis storage. The test lasted 6 weeks for all of the conditions except for one of the Grove Bags 1/8 oz pouches, which ran for 12 weeks. Finally, at the end of the 6 week study each container was opened and triplicate tests were run for potency and terpenoid levels for each condition.


  1. 58% Boveda pack in a mason jar
  2. 62% Boveda pack in a mason jar
  3. 55% Integra pack in a mason jar
  4. 62% Integra pack in a mason jar
  5. Standard Mason jar
  6. Mylar Packaging
  7. Screw-top child proof container
  8. Pop-top container
  9. Grove Bags Ounce bag
  10. Grove Bags 1/8 bag
  11. Turkey Bag
  12. Blue Dream Cannabis Sample

Terpenoid Results

The Grove Bags 1 oz pouch had the highest overall terpene and cannabinoid retention, which was determined by comparing the totals for average terpenoids and average Max THC (Max THC= (THCa x .877) + THC). The levels of terpenes present were up to 36.72% higher and Max THC was up to 7.25% higher in the cannabis stored in the Grove Bags 1 oz pouch.

Potency Results

These results show that the climate controlled environment created by Grove Bags TerpLoc™ technology successfully slowed the degradation of both terpenes and cannabinoids. Furthermore, the testing results clearly reveal that an anti-static, low oxygen environment with a highly specific relative humidity range creates the ideal conditions to store cannabis for both short and extended periods of time.

Combine TerpLoc™ technology with a WeDryer for the perfect harvest and cure cycle every time.