Hello!! My mother in law buys lots of keurig cups for coffee. I found this item to put them in and it stores a LOT of keurig cups. And it look very nice on counter tops too! We store Keurig cups in two jars, and have the other two for rice and cereal. I hope this helps!
I got these from Amazon! $28 for two. Glass Jars with lids
I have this https://cdn.discordapp.com/attachments/349869060223139841/573534633497460737/bath.JPG made by a local carpenter. After putting the dust in, I put the lid on, and the chin goes in and out through the hole. No dust flying out, except what the chin carries out in his fur...
Another thing I've seen people use is gallon-sized penny-candy jars like this https://www.amazon.com/Anchor-Hocking-Storage-Container-Gallon/dp/B01LXLD3AP (take the lid off while the chin is bathing).
Finally, you can try Whimsy's special dust https://www.whimsysmenagerie.com/food-health (about 2/3 of the way down the page). Whimsy herself is allergic to the usual dust, and runs a chinchilla rescue...
Amazon
Anchor Hocking 1-Gallon Penny Candy Glass Jar with Lid, Chrome, Set of 2 https://www.amazon.com/dp/B01LXLD3AP/ref=cm_sw_r_cp_api_i_BmZbFb1WPXN36