Standard US size: 3.5" × 2". Print at 100% / actual size (turn off “fit to page”). Cut along the crop marks.
Suburban Contractors · 3.5" × 2" · cut on marks
Front · art
Back · info
Front · art
Back · info
Bleed guidance: these layouts are exact trim size for home cutting. A print shop typically wants color extended 0.125" past the trim, with no type in that extra margin.