The Premium Black Multizone 12 Zones has 12 different rest zones to avoid pressure points and provide an XL rest, you will feel totally relieved and relaxed every morning. Premium Black Multizone 12 Zones is made by combining a high density HR core, which ensures the firmness of the mattress, and Viscosoft Foam layers which cushion and provide the so-called cloud effect. Its composition includes a 5 cm thick multilayer system of SuperSoft Foam and Biotherm fibres that make this mattress better suited to your body and provide you with a good night's sleep. Enjoy your nights of passion as well as getting a full rest. This mattress has Duo-System technology which provides independent firmness for each face: Medium firmness for the A side and High firmness for the B side Technical specifications: Thickness: +/- 27 cm Viscosoft Foam + Biotherm Fibres: 5 cm Pressure Care System: 12 multi-sleep zones Duo System H2-H3 Firmness: Medium Firmness A side and High Firmness B sideTotal bed independence: Totally anti-static Cloud effect High-density super comfort foam core Bottom padding in 3D Stretch fabric that promotes ventilation AirSense System: Comfortable and Adaptable Sanitized anti-fungal, anti-mite and anti-bacterial system for a hygienic rest Padding with hypoallergenic Reinforced perimeter, special security stitching for better compactness Anatomical and ergonomic Long durability Quality system OEKO-TEX® European Certification 100% satisfaction guarantee Warranty 3 years Made in Spain The product will arrive rolled up in a vacuum pack and must be left on a smooth surface for 24 hours before use. In order to keep the product in optimum conditions, it must be unpacked within three weeks of receipt, otherwise the company cannot be held responsible for any loss of quality.