Ex-Pro practical Snap-on lens cap. The clip on design as a sprung loaded clips to flush finish fit the cap preventing accidental knock off, units also have a cap keep cord which can be attached to the body for easy removal and no loss ! Now includes Standard attached Cap keeper cord & includes Universally fitting elasticated lens keeper, afixing to lens cap then elasticated to fit over the main lens on the camera.Ex-Pro 55mm Snap-on / Clip on Lens Cap with pinch clip function.Includes Standard attached Cap keeper cord & includes Universally fitting elasticated lens keeper, afixing to lens cap then elasticated to fit over the main lens on the camera.Fix to lens cap 3M adhesive patch. Tether cord length 23cm drop.Simple and easy to install, simply pop over the the easticated end over your main lens and affix the 3M adhesive patch to your lenes, now when you take it off, it hangs out of the way but not lost in the grassy patch or dropped from your back pocket - never loose again55mm