http://www.packagingsupplies.com/Desiccant_Packets.html Protect Your Contents with Our Silica Gel Packets :
~ Made with clay, a natural mineral and low-cost compound.
~ Protects contents of your container from humidity, moisture and corrosion.
~ Desiccant Requirement Formula: Formula: Units = .011 x Bag Area (in.) Example: 10" x 10"in. Clear Zip Bag Bag Area: 10" x 10" x 2 sides = 200in. Units Needed: .011 x 200 = 2.2 Units Unit Sizes as follows: (1/6) E9DP33 (1/3) E9DP33Q (1/2) E9DP33H (1) E9DP53H (2) E9DP53T
