Contour Comfort Bonnell is designed to give you a healthy and hygienic sleep. The high tensile imported springs used in the mattress offers adequate support to body contours retaining the natural ‘S’ shape of the spine. The use of superior quality polyurethane foam encasing gives better edge support, comfort and extra sleeping surface. Bonnell Spring is made of premium quality fire retardant or jacquard fabric with latest quilting. The thick layer of cotton felt promises more durability and high density rubberized coir sheet offers more breathability. Superior polypropylene mesh is applied for better insulation. Best quality material, superior workmanship and extensive quality control is what sets Slumber Royale apart from others. Available in 5″, 6″, 8″ and 10″ for a warranty of 10 years.