THE BEST SIDE OF FLYER PRINTING

I just have a question regarding how to get on your System. What's the measurement of the A5 doc (50 percent of an A4) on your own System? I wish to purchase a double sided flyer. I want to substantiate that "Comprehensive Shade" to the back side means this? Thanks! one Respond toComes gloss coated on both sides. As a result of its thickness, It's