Pocket Spring Based Coir Filled Sleeping Mattress provides contoured support to aid proper alignment of the spinal column. The Sleeping Mattress acts as a lift for the lumbar regions of the back and thighs. The Sleeping Mattress is offered in coir filled type construction and spring based design. Pocket Spring Based Coir Filled Sleeping Mattress offers comfort to the upper shoulders and neck, hips and lower legs.