Today’s B&H DealZone (one-day deal) is on the Sensei Squiggle Re-Writable Rear Lens Cap for Canon for only $4.99. Regular price is $12 and this is the lowest price seen yet.
This rear lens cap (for Canon lenses) features a built-in whiteboard surface so you can label your lenses for easy identification in your camera bag. Simply write on the whiteboard with a dry-erase marker, wipe clean and re-use as necessary.
This deal is today only or until sold out.