Innovative Medical Supplies 6 Chevoit Ct Durham, NC 27712 I can be reached any day between 9am to 7pm EST at the following toll free number 877-792-4254. hypoxia_not4u@yahoo.com Guarantee Every item I sell comes with a 30 day money back guarantee. I will give you a full refund if you are not 100% satisfied. REFUNDS: will be issued within 30 days after refund request is made, there will be no exceptions to this. Shipping I ship all of my items via USPS Priority Mail within 2 business days after credit card approval has been completed. UPS shipping is 11.00(US Destinations only). International shipping is via USPS Global Express and prices vary from $17.00 to $35.00 depending on country. Privacy & Security Stethoscopes4u.com is aware of the importance of your privacy on the Internet. For this reason, we have made it our policy to NOT disclose any information we receive from our website users to third parties. The information you provide when ordering products or providing feedback will be kept strictly confidential. Stethoscopes4u.com provides its customers with the latest internet electronic commerce security software. All transactions on our web site are encrypted using Secure Sockets Layer (SSL) to ensure your personal and credit card information is safe. This technology works best when the site is viewed using Microsoft Internet Explorer or Netscape Navigator. You will know you are in an encrypted area when you see a solid key when using Netscape Navigator and a closed lock when using Internet Explorer. Look for these signs before entering your billing information. If you have any conerns about ordering electronically, please use on the following options: Phone orders: 1-877-792-4254