Adjustable Strap For Both Sides:Our Medium Size (7.5*3.5*14.5inch) crossbody bags have one D-ring on each side of the bottom, and a detachable shoulder strap buckle. You can attach the strap for easy access on your left or right shoulder, reducing the strain of carrying your bag for a long time. The strap can be extended up to 40 inches to accommodate different body sizes and you can adjust the length to your comfort