The super Classic combo has all you need for converting one system into three completely different carrying options. The Uni-Loops attach to the camera's strap connection area and allow the gear to switch between strap options in Seconds. Never before has it been so convenient to choose which style of strap to use at any given time. The super Classic combo includes one SLR wrist strap pad, one super Classic pad, one sling strap Adaptor-Quick adjust, a pair of extensions and a pair of Uni-Loops.