- Our Guarantee
The Exclusive Sleep Mask Guarantee from Sleep Master®...
With a 30 day money back guarantee, why not try out Sleep Master? It's easy to order, easy to use and made exclusively by Sleep Master® in the USA!. Feel your body, mind and spirit respond to natural and restful sleep. If, for any reason, you are not satisfied with our product, return it within 30 days of its original mailing date, in its original condition, and a full refund (less the S&H charge) will be immediately issued...Guaranteed!