I like to keep several replacement bins for my SDB.  Dillon wants $2.50 each plus shipping.  I went to the Container Store here in Houston and found one for 89¢ plus tax; and they come in red, blue and yellow.  They also had other sizes that match the other Dillon press bins.  
I added a wooden front that gives me more room in the bin.  I tried to glue these but the small screws do the job.  See below:

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