I have these in the classifieds if anyone is interested.
These cans will hold 3-4 calls and the lid has holes in it to let air circulate to prevent any mold issues.
Mark
(https://c1.staticflickr.com/4/3943/33904301845_48ff1ddb5f_z.jpg) (https://flic.kr/p/TE1pJn)001 (https://flic.kr/p/TE1pJn) by Lonehowl (https://www.flickr.com/photos/31777870@N04/), on Flickr