Ergonomic design: Compared with ordinary sleeping pillows, the ergonomically designed lumbar pillow fits the waist completely, bridging the gap between the waist and the bed, allowing you to sleep more soundly.Material and size: Mesh core: Buckwheat pearl cotton The handle is smooth and soft, with excellent breathability.MULTIFUNCTIONAL: This mattress can not only be used as a side sleeping bag to protect the waist, but it can also be comfortably placed under the calf or knee. Zero gap alignment provides optimum support and relief.Height Adjustment: Slight discomfort in the waist, increase by 3,5 cm; plus a 5,5 cm cushion for the problem of heavy waist and cheeks, different thickness, solid triangle design, keep the back and waist healthy, fully support the back without gaps, Reduce lower back pressure.benefit:The bed system can be used anywhere - on the bed, on the floor or on the sofa.usage:Pregnant women, after surgery, accidents and injuries.Supports digestive disorders (lifts the esophagus above the stomach)to reduce the pressure on the waist.Find a comfortable spot to rest and relax.