Set of 2 - You will get 2 lenses for every "Quantity 1" purchased. Qty 2 = 4 Cases, etc, etc. 

Premium Neoprene Lens Case - KEH Branded
Medium Size - Holds 4" x 6" lenses and might be able to accomodate up to 6.5" tall lenses
-Cases fold flat when not in use
 -All plastic carabiners intact, and belt loops are tight and intact
-Drawstrings all intact and mint
-Interior is very soft velour (fur like) 
This is a premium quality case

Never been in field - New and Unused, Most have tags - I have a ton of these

Internal Dimensions - I've left the height estimation based on how much the top can close over it:
Should comfortably fit:
Medium - 4" wide, 6" tall