Seasonal turn mattress - turn and rotate with the seasons 9-turn ReActivePro™ pocket springs for triple edge protection. A highly resilient quality pocket spring unit, featuring higher tension springs at the sides for superior edge-to-edge support. Contains 100% natural and sustainable fibres that can be recycled at end of life Safe and fire resistant sleep surface that is free from FR chemicals Luxurious unbleached cotton and linen sleep surface that helps keep you dry and cool Natural fibres such as cotton and wool to naturally aid moisture and temperature management Contains 5 fleeces (10.2kg) of British wool. Available as 3', 4' 4'6", 5' and 6' sizes and available as mattress only option.