The Marquess Superb double mattress by Vispring consists of a double layer of pocket springs covered in pure calfskin cotton arranged by hand (on average it is composed of about 2240 springs). The collection is made of exclusive natural materials: a blend of pure British wool and cotton, pure British wool, a blend of pure Shetland wool and Tussah cotton and silk. The materials selected by Vispring are distinguished by their quality, the exterior is in quilted fabric with wool bows handmade. The edges are padded with coconut and wool fibres finished with 3 rows of hand-made side seams. Horizontal handles have been inserted on the sides of the mattress for easier handling and an innovative ventilation system that guarantees freshness. The height of the mattress is about 23 cm + 6 cm of "dome"