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SIDDONS PACKAGING 
FEFCO codes
 
 
 
FEFCO codes are a four digit number that denotes the style of a carton, box, folder or fitting according to an industry standard. See our Downloads page for the FEFCO application (or PDF) to help illustrate in detail all the styles. Below are a few examples of the most popular styles:
 
0200
0201
0203
0200 
Flaps meeting on the base, open top.
0201 
Flaps meeting top and bottom. The most popular carton style.
0203 
Flaps fully overlapping top and bottom for added strength.
 
 
 
0401
0409
0411
0401 
Corner cut folder that has flaps to meet. A good choice for shallow products.
0409 
A five panel folder that has a side seam.
0411 
An alternative five panel folder that has a centre seam.