Thank you for choosing our Sinus Rinse products. We assure you total customer satisfaction. For your convenience, we have a flat shipping rate for all retail orders. Please take advantage of our low shipping rates as we do have a money back guarantee. If you need to return the product, we will refund the entire cost of product, except the shipping cost which you paid as a flat fee. If any components are missing, please contact us and we will mail it out to you on the same business day.