Chill-its 6250 Lightweight Phase Change Cooling Packs, 6 X 13, 4/carton 81XM 9 lumens for 22 hours

9 lumens for 22 hours on low

The lightweight design has a handhold for easy storage and movement

These reusable sign holders let you switch messages in a flash and can go just about anywhere

Covers are a flexible white board (great for backpacks

Designed for the WetJet® System

Chill-its 6250 Lightweight Phase Change Cooling Packs, 6 X 13, 4/carton 81XM 9 lumens for 22 hoursThe Chill Its Lightweight Phase Change Cooling Vest Packs are made to be inserted into model 6255 Lightweight Phase Change Cooling Vest (sold separately) to keep workers cooler, safer and more productive. The phase change cooling material in the packs is 100% biodegradable and maintain a 64 F (18 C) temperature for up to two hours when activated. These packs are designed to be 30% to 60% lighter weight than other cooling vests on the market. Simply