About this item Improves Sleep Quality: The knee pillow provides the perfect support for your body while you sleep, placing the pillow between your knees can help position your legs so that your hips, knees and spine are in the best position for your body to relieve pain and pressure so you can enjoy every night without waking up in pain. 【Ergonomic Design】The leg pillow is designed to perfectly fit the curves of your body, keeping your legs, hips and spine in ideal alignment and improving blood circulation while you sleep. HIGH-QUALITY MEMORY FOAM: Our chair back support is made of 100% high-density memory foam that is soft but provides ample support and does not flatten over time. It can also be used as a leg rest during pregnancy or after recovery. Breathable & Machine Washable Cover: The leg elevation pillow is equipped with a breathable cover that increases air circulation and improves sleep quality. The removable zippered cover is machine washable for easy cleaning and helping maintain hygiene. For best results, please tumble dry or air dry on low speed. Wide Application: The knee pillow for sleeping and resting is a good choice for side sleepers, pregnant women and people with varicose veins. Helps realign your spine and sleep and improves blood circulation. The leg pillow can not only be used in bed, on the sofa, in the office, in the recliner, on the plane or on a long trip, but also as a gift for your loved ones. 【100% Customer Service】If you have never used a pillow like this before, you may experience some discomfort for the first two weeks as your body tries to adjust to the correct position. If you still feel uncomfortable after adjusting your position, please contact us promptly and we will give you a full refund or give you a free replacement with another product that suits you best.