The Sto-fen OM-EV Omni-Bounce Flash Diffuser for Canon EX270, EX 270 II is designed to custom fit the Canon EX270 and EX 270 II strobe. You don"t have to use velcro to attach the diffuser and it is small enough to fit easily into your pocket or gadget bag. The Omni-Bounce creates a diffused light effect, giving even coverage across your subjects. It can be used with lenses as wide as 15mm to 200mm long. The Omni-Bounce goes on and off of your flash in seconds because it is custom fitted, so no velcro is required.