A few words about the METHONE mattress: Recognized by the cellular pattern of the fabric, made from premium cotton and recycled polyester. The denser DuraAce Support spring structure is more responsive to body types that need it, while an extra layer of Cotton Top Pad, will contribute to an exceptional sleeping experience. FABRIC 30% Cotton 70% Recycled Polyester Certifications: OEKO TEX STANDARD 100 Green first Eco Cycle ANESIS 8 material levels SUPPORT Bonnel springs ADDITIONAL FEATURES Peripheral foam material Ventilated fabrics The Methone mattress is covered by a 3 year Candia official agency warranty.