Mini Hygrometer for Peptide & GLP-1 Vial Storage
Round or Square
Vial Size Chart
Vial sizes refer to liquid capacity. Below are the approximate dimensions of each common vial — match your vial to the size this case is built for.
| Vial Size | Approx. Size (Ø × H) | Common Contents |
|---|---|---|
| 1 mL | 11 × 32 mm | Small vials |
| 2 mL | 14 × 35 mm | Standard vials |
| 3 mL | 16 × 35 mm | Standard vials |
| 5 mL | 20 × 38 mm | Larger vials |
| 10 mL | 22 × 50 mm | Bottles & diluents |
| 20 mL | 30 × 57 mm | Multi-dose bottles |
| 30 mL | 36 × 63 mm | Large bottles, bulk |
| 50 mL | 40 × 75 mm | Bulk storage |
| 100 mL | 52 × 95 mm | Bulk storage |
Dimensions are approximate and vary slightly by manufacturer. Ø = diameter, H = height (excluding cap). When in doubt, measure your vial’s widest point and height.
- Hard-shell impact protection
- Fridge & freezer safe
- Keeps vials organized & secure
- TSA friendly & travel ready
- Ships in 24–48 hours
You picked a Blemished item
This version has a minor cosmetic or print defect — a small mark, blemish, or imperfection from the 3D-printing process. It’s offered at a lower price because we can’t sell it as new.
- 100% functional — protects your vials exactly the same.
- Cosmetic flaw only — appearance varies slightly unit to unit.
- Discounted & final sale.
Customer Reviews
Real, verified reviews and photos from VialCase customers.
MINI HYGROMETER & THERMOMETER | KEEP YOUR VIAL STORAGE AT THE RIGHT HUMIDITY
Compact digital hygrometer designed to drop right into your vial case, humidor, mason jar, fridge organizer, or any small enclosed storage. Real-time temperature and humidity readouts help you keep peptides, GLP-1 medications, research vials, and other sensitive contents stored under stable conditions.
Choose between a Round disc profile that lays flat against the case lid, or a Square cube profile that stands upright on a shelf or inside a wider compartment.
Variants:
🟠 Round — flat disc / puck profile, 4.6 cm diameter × 1.5 cm depth (1.81″ dia. × 0.59″ depth), ~3.5 oz, °F / °C toggle, powered by 2× LR44 button batteries (included)
🟦 Square — compact rectangular profile, 48 × 28 × 17 mm (1.89″ × 1.10″ × 0.67″) L × W × D, ~6.7 oz, °F / °C toggle, powered by 1× LR44 button battery (included)
Specs (both variants):
✅ Temperature accuracy: ±2°F (±1°C)
✅ Humidity accuracy: ±5% RH
✅ Humidity range: 10% – 99% RH
✅ LCD digital display, auto-updates every ~10 seconds
✅ ABS plastic housing
✅ LR44 button battery included with each unit
Use Cases:
💊 Peptide & GLP-1 vial storage cases
🛁 Reptile tanks, terrariums, incubators
🌿 Humidors, mason jars, herb / cure jars
🧊 Fridge, freezer, and cellar storage
🏠 Greenhouses, grow tents, gun safes
Care Instructions:
🧼 Wipe clean with a dry cloth — do not submerge
🚫 Not waterproof; keep display away from direct liquid contact
🔋 Replace battery if display fades or readings become erratic
Sold as: 1 hygrometer per order, includes LR44 button battery installed.
General Disclaimer:
This product is a humidity and temperature indicator only. It does not regulate, control, or modify environmental conditions. No medical, pharmaceutical, or temperature-control claims are implied. Customers are responsible for verifying that ambient storage conditions meet manufacturer guidelines for any sensitive contents.
⚠️ BUTTON / COIN CELL BATTERY SAFETY WARNING
KEEP NEW AND USED BATTERIES AWAY FROM CHILDREN.
- This product contains an LR44 button / coin cell battery.
- If a button battery is swallowed or inserted into any body part, it can cause serious chemical burns, severe injury, or death in as little as 2 hours.
- Seek immediate medical attention if a battery is swallowed or suspected to be inside any part of the body — call the National Battery Ingestion Hotline at 1-800-498-8666.
- Always confirm the battery compartment is securely closed after use. Do not use if the compartment will not close or is damaged.
- Dispose of used batteries immediately and safely in accordance with local regulations. Do not dispose of in household trash where children or pets may access them.
- Do not allow children to handle, install, or remove the battery from this product.
This warning is provided in compliance with Reese’s Law (Public Law 117-171) and UL 4200A safety standards for consumer products containing button cell or coin batteries.
Shipping
- Free shipping on all orders over $49.
- Made to order — ships in 24–48 hours.
- Tracking provided on every order.
Returns
- 30-day money-back guarantee — love it or return it.
- No-questions-asked returns on unused items.
- Contact us and we'll make it right.
Why VialCase vs. a Generic Box
Built for vials — not a repurposed tackle box.
| Feature | VialCase | Generic Storage Box |
|---|---|---|
| Custom-fit vial slots | ✓ | ✗ |
| Hard-shell impact protection | ✓ | ✗ |
| Fridge & freezer safe | ✓ | ✗ |
| Dedicated diluent-bottle slot | ✓ | ✗ |
| Made in the USA | ✓ | ✗ |
| 30-day money-back guarantee | ✓ | ✗ |
| 1,600+ verified reviews | ✓ | ✗ |
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