The platelets are determined in themselves and stable, the surface microscopically studded and everywhere just the fraction of a millimeter smaller, which optically fully is alright. ,
Previous reviews had criticized some adhesion of the adhesive letters. So I wiped the keys in advance with a soft cloth (Tempo) and mineral spirits. Result: All letters adhere to date rock solid; Although only for 1 week, but at enormous load of 10 hours a day. However, I have pressed each seconds determined individually; especially at its edges. That brought the clear success.