Spots turn from Blue to Pink to indicate Humidity Levels
Indicate Humidity Conditions in Various Types of Barrier Packaging
Allows Instant Visual Verification of Product Integrity

Technical Details

Product Details

Package Dimensions
Width : 2.28 inch
Height : 0.59 inch
Length : 4.61 inch

Shipping Weight: 0.8 ounce (View shipping rates and policies)

ASIN : B06Y69K2HN