1. DENSITY MEMORY FOAMThis Knee Pillow stands out for its quality memory pillow, making it an exceptional choice for those seeking comfort and support. Crafted from density memory foam, this hip support pillow ensures alignment of the knees and spine. Ideal for joint ease, pregnancy comfort, and overall leg support. 2. ERGONOMIC CURVED DESIGN yourself to luxurious comfort and restful sleep. The Knee Pillow is made of pure memory foam with no additives and its orthopedic contour keeps knees or leg separated with ideal spacing to support and align your legs, hips and spine. A truly ergonomic design with its soft curves crescent shape to fit men women comfortably. It also can be used as a knee spacer during pregnancy or after recovery. 3. ELASTIC BAND DESIGN Our knee cushion is equipped with an elastic strap so that it will not slip when you adjust your sleeping position, ensuring a comfortable sleeping all night long. (Fits thigh size: appro.16 25') 4. BREATHABLE AND COMFORTThe orthopedic Knee Pillow contour keeps knees or legs separated with ideal spacing, while the washable, breathable zippered cover ensures maximum comfort and alignment. The lightweight, soft fabric of hip pillow for sleeping brings a refreshing feeling to your legs allowing you to enjoy restful sleep all night.