The Doce Vita Comfort Deluxe Dual 14 King Size Mattress, by Magniflex. The Dolce Vita mattresses are DUAL CORE; so you can have one side of the mattress firmer than the other. This mattress features the choice of being soft to medium soft. The mattresses are crafted with several layers of ultra high quality OEKO-TEX Certified premium foam. The cover is made in Natural Viscose and Outlast Fabric, and the mattress comes with a 20 year warranty. Dolce Vita mattresses range in height between 9" to 14". Generally, the thicker the mattress, the softer it gets. Please see below for greater details.