"Set of 4
Vacuum seal closure system-
which allows moisture to escape
Keeps your goods dry and oxygen free
Can store in refrigerator or freezer
Hand wash only
Not shown to scale"
"67G - 20x Freshstor® Boveda
Patent 2-way 62% humidity control pack
For use in larger air-tight storage containers
Lasts 2-4 months depending on conditions
Replace when Boveda turns rigid"