This may help and is worth a try. If you bought these on Amazon you can print a copy of your invoice so there should not be a problem.
05. If I have a complaint, who should I speak to?
If it is about a product you have bought from our stores, please get in touch with the store you purchased from. If the complaint is about an online shopping experience please call one of our customer service representatives on 1.800.828.0545 (24/7 availability) or complete the form on the Contact Us page.