Bespoke Natural Mattress The Rievaulx is one of the finest natural mattress available today. Having premium twin up calico pocket springs that ensure to provide the perfect heavenly nights sleep. This elegant mattress benefits from the most luxurious natural fillings like cashmere, horse hair filler, hand teased European horsetail hair, layered wool. The mattress is traditionally hand side stitched by our master craftsmen to insure longevity and provide side support of the mattress. also having flag stitched embroidered handles to assist in rotating & turning regularly and breather vents to allow the natural fibres to be able to breath. Finished off with hand tufted with wool tufts to ensure that you get an independent support and to hold the extensive natural fillings to remain in place. Please rotate and turn regularly. Total Natural Filling gsm 28,000 (in 5'0 x 6'6 King Size Mattress) Calico Pocket Spring count 2,500 (in 5'0 x 6'6 King Size Mattress)