Features: Knee Memorys Foam Pillow: The memorys foam provides ultimates comfort for hours and retains an ever-lasting firm shape without any signs of flattening over time. For All Night Comfortable And Support: This pillow is ultimates in relieving pressure and pain and offers great relief for the knee, thigh and lower back support. The hour-glass like shape allows for a perfect placement between knees and the upwards thigh area. It fits comfortably and molds well to take the shape of the knee: The pillow relieves pressure from legs, joints, and sides providing maximum support to the legs, inducing proper-blood flows, and better body alignment for an ultimates sound sleep. Pain & Pressure Relief for Better Alignment: Designed to reduce pressure on knees, hips, and lower back, this pillow supports spinal-alignment, ideal for side sleeper, post-surgery recovery, and individuals with sciatica or hip pain. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Inner Cover: Bird's Eye Fabric Outer Cover: Airs Layer Dimensions: 25*25*15.6cm Dimensions After Vacuuming: 21*17*8cm Core Material: Memory Foam