3M Water Contact Indicator Tape, used as a water contact indicator in handheld or portable electronic devices such as cell phones, PDA's, pagers, MP3 players, game players, CD players, cordless phones, two-way radios, laptops, digital or film cameras, video cameras, etc. and other applications where positive indication of water or aqueous solution contact is desired

3M Water Contact Indicator Tape 5557, 10.2 mil (0.259 mm) thick, paper backing, with polyester top film and acrylic adhesive, printable, self-adhesive tape that shows area specific, long lasting indication when contacted by water