100% Belgian cotton fabric coveringQuilted with layers of chemical-free French woolDouble diamond box spring provides extra durabilityHypoallergenic comfort fillAvailable in a variety of sizes. Your body will love the comfort and support of the Royal-Pedic Latex Quilt Top 9 in. Mattress and Box Spring Set. This mattress is made of 100% Belgian cotton fabric and is quilted with chemical-free French wool rather than tufted. It is firm yet flexible made of our 7-zone latex material to provide optimal sleeping comfort. The box spring features 22% more coils cotton padding brass corner guards and provides outstanding support and comfort. About Royal Pedic In 1946 Abe Kaplan a master high mattress maker set out for Los Angeles to begin a mattress business. Under Kaplan's guidance Royal-Pedic mattresses quickly became the premier choice for a number of Los Angeles' best interior design firms. Kaplan's mattresses are inimitably comfortable so it's no surprise that a number of Hollywood celebrities and six presidents have all been satisfied customers. John F. Kennedy in fact insisted on Royal-Pedic Mattresses wherever he traveled. Preferred by presidents perfect for your home. Royal Pedic offers a 10-year warranty on this product. Contact the company toll-free at 800-487-6925 with questions. Size: King.