This branded WHITE TEETH GLOBAL product is a perfect system to see great results whitening your teeth at home. The kit comes with everything you need included 10-3cc syringes of gel (enough for over 100 applications), 4 mouth trays (for upper and lower teeth) & 2 tooth shade guides to track your progress. White Teeth Global is a copyright protected brand. This whitening gel is some of the strongest on the market. Buying this product confirms that you are aware that it must be used within six weeks of receiving it. The manufacturer is not responsible for use of this product.