HumidiShield™ Liner
The invisiblehumidity control liner.
A plant-fiber disc built into the lid. Holds a steady 62% RH — no packs, no liquid.
01 / How it works
Three parts. One sealed system.
Sealed at the rim. Tuned by the fiber. Locked by the lid.
01
Heat-sealed liner
Sealed onto the jar rim. Nothing loose to insert.
02
2-way humidity control
Absorbs when humid, releases when dry. 62% RH, ±2%.
03
Friction-fit gasket
The lid gasket re-locks the seal every time the jar closes.
02 / Using it
Two ways to fit it.
03 / Benefits
Why brands choose it.
25+ years of fiber R&D. 70+ patents.
2-way control
Holds 62% RH, ±2%.
No static cling
Delicate flower stays intact.
Bamboo & wood fiber
Compostable, FDA-compliant.
Activates in the jar
Works the moment it closes.
04 / Specifications
A 46 mm disc, sized for standard jars.
| Jar volume | Desorption (g) | Absorption (g) |
|---|---|---|
| 50 ml & 100 ml | 0.125 | 0.125 |
| 70 ml & 110 ml | 0.09 | 0.09 |
- Diameter 46 mm · Liner D52 for B2B
- 10,000-unit cases
- 1-year shelf life unopened
05 / OEM & private label
Built to your spec.
Tell us the product — we spec the rest.
Shape & size
Die-cut to any dimension
Integration
Invisible in lid or bag wall
Branding
Custom film & print
RH level
Tunable 30–90% RH
Speed
Adjustable reaction time
Permeability
Controlled breathability
Food-contact compliant · 100% biodegradable fiber core.
For cannabis brands & cultivators
Start with a sample.
10,000-unit cases. Custom RH, branding and supply on request.