What is the difference between BS34CL06X25AP and BS34CL12X25RP from Bumper Specialties Inc

Physically these are the same product, the difference is what size sheet they come on.

The BS34CL06X25AP comes on sheets with 6X25 for a total of 150 and must be purchased in full sheet quantities.

The BS34CL12X25RP comes on sheets with 12X25 for a total of 300, however, they can be purchased in any quantity.