The 2PLDES150 is a 2-unit desiccant that absorbs airborne moisture inside sealed packaging to protect sensitive devices. This product features Montmorillonite Clay secured in a 5.00 x 4.50 inch, clean room grade, sulphur-free, non-woven Tyvek® pouch. As packaged, it meets MIL-D-3464, Type I and II specifications and is on the Qualified Product List (QPL). It is ideal for use with moisture barrier bags to keep devices dry during shipping delays or longer than anticipated storage times.