PRALB 25PCS Standard Sliding Bar Translucent Design Project File,Report Covers for A4,Perfect for School and Office,5 Color

Does the 25 pieces mean: 25 report covers? Because I need and I dunt want to end up with 12 is the 25 means 13 sliding bars and 12 report covers. ☺️

Just want bar spines in green

Does this hold a letter size paper?