WarmMark Product Overview
WarmMark is a single-use, ascending time-temperature indicator that alerts users of exposure to unacceptable temperature conditions.

Product Notifications
Please note that WarmMark should be stored below its response temperature and below 55% relative humidity for optimal shelf life of 2 years from date of sale.
SpotSee’s storage condition for WarmMark can be found in our WarmMark Overview and other supporting collateral.
If you have any questions, please feel free to contact your SpotSee Representative or SpotSee Customer Service.
June 19, 2025
Product Change Notification to inform you that WarmMark Single Window is converting to WarmMark QR.
- WarmMark QR will be phased in over the next 3 to 24 months, based on available inventory and customer orders.
- ColdChain Complete will utilize the new WarmMark QR on existing SKUs starting September 1st, 2025.
- If the existing inventory of SKUs covered by this PCN is depleted prior to the timings above, SpotSee will fulfill orders using WarmMark QR. SpotSee will not ship new and old unit versions (WarmMark Single Window and WarmMark QR) to fulfill the total item quantity on the same order. All orders will be fulfilled with the same product version.
Specifications
| Temperature Accuracy | ±2°F | ±1°C |
| Storage Conditions | Store in a dry environment below the response temperature and below 55% relative humidity for optimal shelf life |
| Shelf Life | Two years from the date of sale |
Product Numbers
WarmMark Single Window
| Temperature | Run Out | SKU |
| WarmMark 8°C / 46°F | 8 Hour | WM 8/46-8 |
| WarmMark 8°C / 46°F | 12 Hour | WM 8/46-12 |
| WarmMark 8°C / 46°F | 48 Hour | WM 8/46-S |
| WarmMark 25°C / 77°F | 8 Hour | WM 25/77 |
| WarmMark 26°C / 79°F | 48 Hour | WM 26/79-48 |
WarmMark 3-Window
| Temperature | Brief | Moderate | Prolonged | SKU |
| WarmMark -18°C / 0°F | 1 Hour | 3 Hour | 12 Hour | WM -18/0 |
| WarmMark 0°C / 32°F | 2 Hour | 12Hour | 48 Hour | WM 0/32 |
| WarmMark 5°C / 41°F | 30 Min | 2 Hour | 8 Hour | WM 5/41 |
| WarmMark 8°C / 46°F | 2 Hour | 12 Hour | 48 Hour | WM 8/46 |
| WarmMark 10°C / 50°F | 2 Hour | 12 Hour | 48 Hour | WM 10/50 |
| WarmMark 20°C / 68°F | 2 Hour | 12 Hour | 48 Hour | WM 20/68 |
| WarmMark 25°C / 77°F | 30 Min | 2 Hour | 8 Hour | WM 25/77-8 |
| WarmMark 30°C / 86°F | 30 Min | 2 Hour | 8 Hour | WM 30/86 |
| WarmMark 37°C / 99°F | 30 Min | 2 Hour | 8 Hour | WM 37/99 |
WarmMark Mini
| Temperature |
SKU
|
| WarmWarm Mini 8°C/46°F |
WM 8/46-SB
|
| WarmMark Mini 25°C/77°F |
WM 25/77-SB
|
WarmMark Duo
| Duo Indicator | Window 1 | Window 2 | Window 3 | Window 4 | SKU |
| 10°C/50°F | 3 days | 8 days | 14 days | -- |
WD 10-34
|
| 34°C/93°F | -- | -- | -- | within 30 minutes |
WarmMark Long Run
| Long Run | Line 1 | Line 2 | Line 3 | Line 4 | Line 5 | SKU |
| 10°C/50°F | 12 hours | 30 hours | 60 hours | 110 hours | 168 hours |
WL 10/50
|
| 31°C/88°F | 12 hours | 30 hours | 60 hours | 110 hours | 168 hours |
WL 31/88
|
Related Documents
- WarmMark Overview
- WarmMark Technical Data Sheet
- WarmMark How to Use
- Covid Temp Control with WarmMark
- WarmMark Replacement Solutions
- WarmMark ROHS
- WarmMark REACH
- Companion Labels REACH
- Companion Labels ROHS
- USMC – Certificate of Origin
- Life Science One Pager
Case Studies
Dialysis Case Study featuring WarmMark
Ship to Home Pharmacy featuring WarmMark
Flu Vaccine featuring WarmMark
