The Natural Wool Deluxe mattress from Hypnos provides comfort and support for the body, with generous layers of soft and springy wool, which is 100% British and traceable to Red Tractor assured farms. Contains over 8 sheep fleeces, or 16.3kg, of pure wool per 150cm mattress, providing a different level of luxury. Choose a medium or firmer comfort level. This seasonal turn mattress features ReActivePro™ 6-turn pocket springs with Triple Edge Protection™ – higher tension edge springs, framed support and three rows of box-style, genuine hand side stitching. A breathable sleep surface woven from sustainably sourced, unbleached cotton and viscose. Safe and fire resistant without the use of FR chemicals. The Natural Wool Deluxe mattress comes with a 10 year Guarantee.