The internal structure is made of independent bagged springs, of 2 mm diameter for the head,breast,leg zone and 2.2 mm for the shoulder and pelvis area. The springing is subdivided in 7 differentiated zones and reinforced by two perimetric discs made of temperate steel. You can count 400 springs in the single mattress and 800 in the double mattress. The outer shell is filled with anallergic fibre and covered by a 100% cotton textile. You can have it with the removable and washable cover at 30° in the washing machine or with a crotchet cover in the ticking version. CHARACTERISTICS: Thermoforming, Anatomic, Antiacarus, Transpiring, Anallergic, Ergonomic, Aerated, Removable cover and ticked with medium soft memory. CAPACITY: MEDIUM The textile used for the mattress covering are subjected to changes according to the availability e/o production choices. Memory bagged springs In the version memory a plate of “SLOW MEMORY” is placed , viscoelastic textile, thermoforming based on water, of last generation ( height 3,5 cm and density 50 Kg/cm) for a major anatomic condition and comfort. REMOVABLE – AERATED - ANALLERGIC – THERMOFORMING - 7 ZONES.