https://www.amazon.com/Ultrapet-UP5-Ultra-Pearls-Litter/dp/B0030HMSCI/ref=sr_1_9?ie=UTF8&qid=1493178936&sr=8-9&keywords=silica+kitty+litter this is what I recommend to everyone or something similar and it also works great for cigars.
I use kitty litter similar to this in panty hose or any kind of container you like for my cigars that are worth more than I'll admit.