HIC 10 20 30 40 50 60% , Pack of 200.

Details

Humidity Indicator Cards^ Scc* 10, 20, 30, 40, 50, 60% Humidity Indicator Cards (Hic'S) Printed With Moisture Sensitive Spots Which Respond To Various Levels Of Humidity With A Visible Color Change From Blue To Pink. Hic'S Are Placed Inside Vacuum Sealed (