Silica Gel 40 Gram Unit
Protects up to 3 cubic feet of enclosed space. "Drinks up" moisture from within enclosed storeage spaces, safe, etc. Prevents condensation, stops rust, mildew, corrosion and spoilage. One saturated, buit-in indicator turns from blue to pink singalling need to reactivate unit. Reactivates easily in oven for lifetime protection.