ALL OUR PRODUCTS ARE DIRECT FROM OUR FDA COMPLIANT USA LAB. The online retailers that are distributing for Unregulated Chinese companies are selling inferior products, who knows what you are getting? Buying direct from our Lab You ALWAYS get what you pay for! 5 LARGE Syringes will offer you 2-3 FULL Cycles, 6-7 days Each! Results seen after the 1st day! Unlike other gels, only a little gel per application is needed, That's it! No need to flood your trays with gel. This is professional strength Gel, designed and used by Dental Professionals, For Dental Professionals. Zero Discomfort, Real Results! We specialize in only selling High Grade FRESHLY MADE products, this way our Clients get what they are after, a Fast White Smile, done safely! We have a website whitersmilelabs and a Facebook Page, the link is on the site. Remember low cost = low quality, expired gel Don't let cheap gel fool you. We stand behind our products 100% with a full money back guarantee! Orders are shipped FAST AND FREE SAME Day. Customer Satisfaction is #1! We offer 24 hour customer support Via email and phone 9-6 EST Please enjoy your new smile!