This is a scorecard and yardage book holder made from 100% synthetic leather by Sunfish. This is used by all the big names on the PGA Tour.   Very high quality and built to last. 

Details:

Scorecard and Yardage Book Holder

100% hand-stitched leather

It has five elastic bands to hold your scorecard, yardage book, hole location sheet, and even your pencil.

Size – 7.5″ x 4.5" – Fits perfectly in your back pocket!
The scorecard and yardage book in last picture are to show how it works and do not come with the holder.