Contains: 4 x 1.3g Pola Night Syringes 8 Tips Accessories. Polanight tooth whitening system is a high viscosity, neutral pH take-home tooth whitening gel with a unique blend of soother, conditioner and water content high enough to further reduce sensitivity.Fluoride releaseNeutral pH and desensitizer addedHigh viscosity, spearmint flavorWear time 60 minute per day