We sell Crest 3D White Luxe Professional Whitestrips, we order our stock directly from P&G Hong Kong (LF Asia), 100% Authentic. Small quantity starts from 10 pouches, wholesale please ask for quotation, we can supply few hundred boxes per month. We only accept payment by PayPal, all orders come with a tracking number, small quantity orders will be send by standard air mail, buyer can request express service by asking us for quotation. Thank you very much!