3 ml Vial Case
2 to 400 Slots
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.

VialCase compact 3 mL vial cases in five sizes: a 2-slot mini (sold as a 2 pack), a 4-slot (standard or Bio), a 6-slot mini, a 9-slot and the 10-slot. Secure, compact protection for small vials at home, in the fridge or on the go.
Key Features
- Holds 2 to 10 standard 3 mL vials in dedicated upright slots, depending on the size you choose
- Structured interior keeps vials separated to reduce movement and contact
- Durable protective exterior built for dependable daily storage
- Fridge and freezer safe construction for convenient cold storage
- Secure closure keeps contents fully contained while on the go
Capacity
- Choose your capacity above: 2 x 3 mL Mini - 2 pack, 3 x 3 mL + prep pad bay, 4 x 3 mL, 4 x 3 mL (Bio), 6 x 3 mL + storage, 6 x 3 mL Mini, 8 x 3 mL TempView (temp & humidity sensor), 9 x 3 mL, 10 x 3 mL, 10 x 3 mL + storage, 15 x 3 mL, 18 x 3 mL + BAC slot, 20 x 3 mL, 20 x 3 mL + storage, 30 x 3 mL, 40 x 3 mL, 50 x 3 mL, 60 x 3 mL, 70 x 3 mL, 100 x 3 mL, 104 x 3 mL TempView (temp & humidity sensor), 200 x 3 mL (Jumbo), 300 x 3 mL (Jumbo), 400 x 3 mL (Jumbo), 50 x 3 mL Modular + storage tray, 100 x 3 mL Modular (2 x 50 trays)
- The + storage sizes have a compartment for syringes and alcohol prep pads; the 18-slot adds a 30 ml BAC water slot
- TempView sizes (8 and 104) have a built-in digital temperature and humidity sensor in the lid
- Jumbo 200 / 300 / 400 = a tall case with stacking 100-vial trays
- Modular 50 = a 50 x 3 mL case with a removable top tray: an accessory storage tray, or a second 50-vial tray for 100 vials in one case
Dimensions (assembled, closed)
- 10 x 3 mL: 3.26 in L x 3.15 in W x 1.73 in H (83 x 80 x 44 mm)
- 6 x 3 mL Mini: 2.81 in L x 2.86 in W x 1.73 in H (71 x 73 x 44 mm)
- 9 x 3 mL: 7.23 in L x 2.00 in W x 1.73 in H (184 x 51 x 44 mm)
- 4 x 3 mL: 2.79 in L x 2.24 in W x 1.73 in H (71 x 57 x 44 mm)
- 4 x 3 mL (Bio): 2.79 in L x 2.24 in W x 1.73 in H (71 x 57 x 44 mm)
- 2 x 3 mL Mini - 2 pack: 2.17 in L x 2.00 in W x 1.73 in H (55 x 51 x 44 mm)
- 3 x 3 mL + prep pad bay: 9.14 in L x 3.48 in W x 2.25 in H (232 x 88 x 57 mm)
- 6 x 3 mL + storage: 6.89 in L x 2.91 in W x 1.73 in H (175 x 74 x 44 mm)
- 8 x 3 mL TempView (temp & humidity sensor): 6.35 in L x 4.72 in W x 1.81 in H (161 x 120 x 46 mm)
- 10 x 3 mL + storage: 7.05 in L x 3.19 in W x 1.73 in H (179 x 81 x 44 mm)
- 20 x 3 mL + storage: 8.18 in L x 4.55 in W x 1.73 in H (208 x 116 x 44 mm)
- 18 x 3 mL + BAC slot: 8.23 in L x 4.94 in W x 1.81 in H (209 x 126 x 46 mm)
- 15 x 3 mL: 4.34 in L x 3.54 in W x 1.73 in H (110 x 90 x 44 mm)
- 20 x 3 mL: 4.22 in L x 4.17 in W x 1.73 in H (107 x 106 x 44 mm)
- 30 x 3 mL: 5.62 in L x 4.30 in W x 1.73 in H (143 x 109 x 44 mm)
- 40 x 3 mL: 7.92 in L x 4.22 in W x 1.73 in H (201 x 107 x 44 mm)
- 50 x 3 mL: 7.85 in L x 4.83 in W x 1.73 in H (200 x 123 x 44 mm)
- 60 x 3 mL: 8.18 in L x 5.85 in W x 1.73 in H (208 x 149 x 44 mm)
- 70 x 3 mL: 8.18 in L x 6.61 in W x 1.73 in H (208 x 168 x 44 mm)
- 100 x 3 mL: 8.30 in L x 7.59 in W x 1.73 in H (211 x 193 x 44 mm)
- 104 x 3 mL TempView (temp & humidity sensor): 8.93 in L x 7.60 in W x 1.81 in H (227 x 193 x 46 mm)
- 200 x 3 mL (Jumbo): 8.38 in L x 7.53 in W x 3.52 in H (213 x 191 x 90 mm)
- 300 x 3 mL (Jumbo): 8.38 in L x 7.53 in W x 5.10 in H (213 x 191 x 130 mm)
- 400 x 3 mL (Jumbo): 8.38 in L x 7.53 in W x 6.75 in H (213 x 191 x 172 mm)
- 50 x 3 mL Modular + storage tray: 7.72 in L x 4.91 in W x 3.51 in H (196 x 125 x 89 mm)
- 100 x 3 mL Modular (2 x 50 trays): 7.72 in L x 4.91 in W x 3.51 in H (196 x 125 x 89 mm)
Care
- Hand wash only with cold water
- Not dishwasher safe
Good to know
- Only compatible with flexible vial caps from the maker; third-party caps may cause improper fit or damage
- Please verify your vial and cap dimensions prior to purchase as sizes vary by manufacturer
⚠ WARNING: INGESTION HAZARD - BUTTON BATTERY
Applies to the TempView sizes (8 and 104). The TempView temperature & humidity sensor runs on 2 LR44 button batteries (included, installed in the sensor).
This product contains a button cell or coin battery. DEATH or serious injuries can occur if ingested. A swallowed button cell or coin battery can cause internal chemical burns in as little as 2 hours. KEEP new and used batteries OUT OF REACH of CHILDREN. Seek immediate medical attention if a battery is swallowed or inserted into any part of the body.
Battery type: LR44 (1.5 V button cell). Dispose of used batteries promptly and away from children.
Shipping
- Free shipping on all orders over $99.99.
- 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.
Customer Reviews
Real, verified reviews and photos from VialCase customers.
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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