The most important fact about us, is we are a USA Dental Lab, selling USA made products for years. You are buying lab direct. Others sell cheaply made trays from ultra thin materials that do not last, we fully warranty ours! We also include enough gel for several full cycles. You can have a cycle done in less than 7 days! ONLY TAKES 20-30 MIN A DAY. Our customers report they have NO sensitivity to the gel and does not burn the gums like cheap gel that comes from Overseas. Other sellers, to save money use a low grade, unregulated Chinese, foreign gel.We only sell high grade products, this way our clients get what they are after, a Fast White Smile, done safely! We have a website and a Facebook Page, search us. Enjoy your new smile, and remember a low cost means low quality, don't let a cheap kit fool You! You only get one set of teeth, choose your products responsibly. We ship SAME DAY most times. We also offer a full 100% Guarantee, we stand behind our products and have amazing customer service.