[High Quality Material]: Knee Pillow- Inner core is made of 100% high quality memory foam foam. In use for a long time to maintain comfort and will not be deformed, made of pure environmentally friendly materials, no smell! [Breathable Easy Clean Cover]: The memory foam pillow comes with a removable and breathable zipper cover that ensures the pillow doesn't heat up, doesn't get dirty easily, is friendly to your skin, easy to clean, and machine washable; so you don't have to worry about the foam wedge pillow getting dirty! [Ergonomic design]: designer after 500 times real people with 30 days of test testing to conclude that can effectively improve blood circulation and prevent pain in knees, legs, thighs, calves or waist and other multiple locations, get good quality sleep! [Applicable Scenarios People]: Sleeping leg pads can not only be used in beds, sofas, offices, recliners, airplanes or long trips, but also as gifts for your loved ones, especially for pregnant women and people recovering from orthopedic conditions, as well as people with poor sleep quality!