Our Végélya shape memory mattress is a high resilience mattress that fully conforms to the shape of your body. It is composed of 2 different foam layers to guarantee exceptional support: a first lower layer of high resilience polyurethane foam 30 kg/m3, thickness 13 cm and a layer of visco-elastic memory foam 60 kg/m3, thickness 5 cm. The total thickness of the mattress is 23 cm: 16 cm HR foam + 5 cm visco bamboo + 1.5 cm visco in the cover + a few millimetres of fabric. The mattress cover has a very soft touch of the mattress, it is composed of a layer of flexible polyether foam 25kg/m3 with polyester wadding and a 650g/m2 polyester coutis, anti-dust mite treated, fully removable and washable. Ventilate 24 hours before use. 5 sizes available : - 1 place 80 x 200 cm, 90 x 190 cm or 90 x 200 cm - 2 places 140 x 190 cm or 160 x 200 cm.