MedicalGrade Materials foam is antimicrobial and resistant to dust mites machine washable outer velour cover inner mesh liner increases comfort and breathability Ergonomically Design Relieves strained back muscles and ligaments and relieves back pain while sleeping can be used as a knee support pillow lumbar support pillow or leg spacer Keep Your Back and Waist HealthyStable triangle designed fully support the back without any gap to help you reduce pressure at nightthis body pillow prevent strain of lumbar musclespefect back support posture relieve lumbar pressure evenly while keep S curve Multi functional Versatile This pillow not only can protect the waist but also can be placed in the calf or below the knee providing comfort can be used as a knee support pillow lumbar support pillowor leg spacer also suitable for back sleeper side sleeper for the lower back pain people and pregnant woman Perfect gift for family and friends who have discback problemsergonomic lumbar back support pillow dispersed waist pressuremedical foam materials resistant to dust mites