Beautiful inside and out Independent pocket springs with seven diversified zones and ergonomic egg crate design provide the most comfortable and relaxing support to the body. Removable, washable covers. STRUCTURE Mattress using (in the single version) 360 independent pocket springs in 100 gr/m2 polypropylene casings, ultrasonically welded so as to ensure a highly durable assembly and outstanding independent movement. Phosphated steel springs with seven diversified zones, organised in a shoulder/calf zone with springs made from 1.8 mm steel wire, and a central/pelvis zone with springs made from 2.0 mm steel wire. INSULATION Stabilising NWF sheet to prevent sagging. Double layer of undeformable, high elasticity egg crate shaped Ergolatex, 35 m3 density border padding box system. FILLING Version with mite resistant covering: filling on either side made from 100% hypoallergenic fibre and Amicor Pure fabric, permanently mite proof and washable at 40°C. A zipper along the entire perimeter enables the coverings to be removed and washed with ease. 4 handles. Natural version: filling on either side in poly cotton (cotton-polyester) and natural cotton-linen-bamboo fibre washable at 40°C, with a zipper running along the entire perimeter to remove the covers with ease. Handles on 4 sides. FABRICS Permanently mite proof AMICOR or natural COTTON-LINEN-BAMBOO FIBRE.