A safer type Indicating Silica Gel, do NOT contain Cobalt Chloride. It will change to dark green when absorbed with moisture, alerting the needs to be replaced or reactivated. This Indicating Silica Gel can be reactivated by placing in an oven heating at about 3 hours at 115oC (discard plastic) to restore it original indicating and moisture-absorbing capability.
Specification : Orange and White Silica Gel
Size : 5g/packet