








Vial Guard
Mini Hygrometer for Peptide & GLP-1 Vial Storage | Round or Square | Monitor 3ml 10ml Vials
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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.
At Vial Guard, we set out to solve a simple problem. People needed a cleaner, safer, and more reliable way to store their GLP 1 and peptide vials.
We focus on thoughtful layouts, discreet designs, and practical features that make your routine feel smooth instead of stressful.
Whether you’re managing weekly doses, traveling, or organizing multiple vials at home, our cases help you stay prepared, protected, and confident.

Flexible Vial Caps 1ml to 100ml
Vial caps help keep your GLP 1 and peptide vials protected and easy to identify.
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