Whist researching for mattress for our new place, we chance upon an article describing NOA as being of good quality as those of premium brands, but at a fraction of the price. We were sceptical initially, as we've never imagine buying mattress from an online store! But after looking at the reviews & realising that it can be returned within 100 days... why not? We bought 1 initially, and compared that to another online brand. Our verdict? Noa was way much better, and 15 years limited warranty? Wow thats a "No-Brainer!" Eventually, we bought another King Size NOA, and have been sleeping happily ever since...