This medium SlingBag has a gusset on the bottom that gives more room inside. Measuring 13” across and 7” tall the 2” bottom gusset allows the bag to expand with what you carry. It has a clam shell opening and two pockets inside. It's 50”-51" strap is for wearing like a SlingBag across your chest or back and cinching smaller for the average person to wear around the waist.
FYI, THIS SECOND BATCH OF OUR NEW MEDIUM SLINGBAG HAS AN ADDED 10" MORE ON THE HANDLE