Moisture Absorbing Silica Gel Indicating 1 Ounce Packets (5-Pack) - ‎DP33-5R

OverviewPackage contains 5 of the Indicating Silica Gel Dry-Packs, measuring about 2 1/2" by 3 3/4"" per packet and weighs 1 ounce each packet. These are ideal size for camera housings, electronic bags, shoe boxes, coin collections, tackle boxes, backpacks, tool chest, etc. Dry-Packs Indicating Silica Gel Packets DO NOT contain Cobalt Chloride (II). Cobalt Chloride (II) is Silica Gel that comes in a "Blue" color and this "blue" Silica Gel has been linked as being possibly carcinogenic to humans and been labeled as hazardous material in some countries. Dry-Packs Silica Gel is reformulated to eliminate Cobalt Chloride (II) and will turn from Orange to Dark Green when the Silica Gel is about 60% absorbed with moisture.