Ergonomic Design: Unlike usual sleeping pillows, the ergonomic lumbar pillow fits the waist perfectly filling the gap between the waist and the bed, providing a better sleeping experience MULTI-FUNCTIONAL: This bed pillow can not only be used as a side sleeping bag to protect the waist but also can be placed under the calf or knee, providing a comfortable fit with zero gap providing the best support and decompression effect Pillow fabric: mesh cloth Filling subcomponent: Polyester fiber (polyester) Filling main component: pp cotton Increase pad: diameter 1.8CM, thickness 1.5CM Pillow height: 5.1-10cm Perfect: The bed system can be used anywhere - on the bed, on the floor or on the sofa. application: Pregnant women, after surgery, accidents and injuries. Supports digestive disorders (elevates the esophagus above the stomach) Reduce the pressure on the lower back Find a comfortable spot to relax Package includes: 1*Pillow