Enlarged design, detachable combination mode as needed. It is designed with real ergonomic data after continuous discussion and in-depth study. It is enough for the user to turn over easily and the body to feel comfortable when sleeping on the side, which is helpful for snoring. Multifunctional and comfortable cushion, with booster cushion, freely adjustable height, ergonomic design, give you a healthy lumbar.Size: as shownInner core material: polyurethaneRecommended crowd: people who relieve the patient's gastroesophageal reflux disease, watch TV and play computer for a long time and cause back pain and discomfortWashing instructions: The pillow core should not be washed or exposed to the sun.Pillowcases can be washed or hand washed, not dry cleaned or bleached.