Royal Crown MATTRESS features Chiropractor COMFORTort Pockets with high profile coil system. The inner spring supports combined to ensure correct spinal alignment.The COMFORTort pockets unique , autonomous inner spring design eliminates " Roll - Together" for maximum individual sleep COMFORTort. The superior softness of the fabric and the excellence of the quilting make MATTRESS a focus point in the most elegant of the bed chambers. the height of the MATTRESS is 29cm(+/- 0.75 cm). The warranty on the MATTRESS is for 10 years on manufacturing defects.