Harbor frieght has plastic ones on sale for $3. Can't tell you how many of these I've got but they are sturdy, water proof and cheap. Should grab a few more before the sale ends.
Sorry cant get a picture to post?
https://www.harborfreight.com/Ammo-Box-61451.html?ccdenc=eyJjb2RlIjoiMzIzOTU3MjEiLCJza3UiOiI2MTQ1MSIsImlzIjoiMi45OSIsInByb2R1Y3RfaWQi%0D%0AOiIxMDA4NCJ9%0D%0A