the pillows are not as precise as beads or bovedas. but they do have thier place.
you can use them to season a desktop. the construction is a cloth like material on one side(this side releases humidity), and a soft plastic on the other side. so you can fully charge them with distilled water, put them in your humidor plastic side down, and you have a cheap seasoning device that can be reused when you are done. for seasoning, you would not place them in the supplied ziploc bag.
i am getting nice results in ziploc cigar bags. i charged 1 pillow with 1 teaspoon of distiiled water. it swelled up a little bit, but its still pretty thin. it has been in the ziplock for 2 days, and its a 69%.
in a clear lid otterbox(same size as a 5 stick cigar caddy), i am using another with 1 teaspoon of water. same deal, its at 68%.
one of my major concerns with the pillows was that i figured it would overhumidify a ziploc or cigar caddy. after 2 days, it hasnt happened.
my latest experiment was charging a pillow with 2 teaspoons of 50/50 mix. it took a long time for the pillow to absorb the PG (about 8 hours). i then slipped the pillow into its little ziploc. its been in a zipoc for about 36 hours. its been at 70% for about 24 hours. so that experimant is working well.
do they have the precison of beads and bovedas? no. do they have some use to us? yes.
c