25 16% Hydrogen Peroxide Teeth Whitening Pens. All of our products are made in the USA from all natural ingredients. Inquire about our training and certification program to enjoy lower minimum order quantities and even deeper discounts. Unless personalization is selected & purchased, pens will be sent in a clear generic form with no labeling. Only authorized retailers are permitted to use the Illuminate brand. Contact us to find out about becoming an authorized retailer. *Product must be refrigerated immediately upon arrival. *Please allow 7-10 business day lead time for private labeling.