Restonic Le Grand Plush Mattress Review The Restonic Le Grand Plush is a hospitality mattress that offers a lot of support. Josh Smith The Restonic Le Grand Plush is aimed at the hospitality industry, with a focus on comfort and longevity. I've been able to test it out in my home for the last month to see how I sleep on a mattress that many people would only experience in a hotel. Restonic is a mattress company that is best known for making Scott Living, ComfortCare and Biltmore Luxury mattresses. In addition, the company is expanding into hospitality with the Restonic Hospitality line.