Can be removed without leaving a residue and repositioned again and again and again. Can be used on smooth and durable surfaces such as glass, metal, wood and smooth walls The patented system requires no tools or glue - simple and clever! Readable from both sides on glass surfaces Quick and easy replacement of information Virtually invisible - so it conforms with your corporate design and puts the information in focus It has never been simpler to hang or replace notices, signs and advertisements! Its convenient and inexpensive and also looks professional No more magnets, suction pads, tapes or glues Like the pads on geckos' feet the transparent sticky strips at the top and bottom of the holder hardly even feel sticky