Please wipe the dust, stain, vapor, oil sludge and so on out from the adhesive surface and ensure it is dry. Take the back paper of C9-004 off, then press strongly 3 seconds the place where will be adhesive, Press track into the clips.It is the best to assemble the light 1 day after adhesive finished. Transparent PC material apply on glass shelf with invisible using twin adhesive or silicon. Bendable and length cuttable. Double sided sticker included.