1、Ergonomic Design: This memory foam office chair cushion is carefully designed to mold to the contours of your body for optimal comfort, effectively reducing discomfort in the hips, tailbone and sciatica without compromising support. 2、Comfortable and Breathable: This office chair cushion is made of breathable material to ensure air circulation, preventing overheating and discomfort when sitting for long periods of time, whether in the office, car or wheelchair. 3、Nonslip Design: This car cushion has a non slip bottom that holds firmly in place on any surface, providing stable support without the need for constant adjustments, allowing you to attention on work or relaxation. 4、Versatile: Ideal for office chairs, cars, wheelchairs or gaming chairs, this office cushion provides versatile comfort wherever you need it, making it the ideal companion for both work and leisure activities. 5、Sturdy and Long Lasting: Our ergonomic cushion stands up to regular use and retains its shape and support over time, ensuring long term relief from discomfort and a reliable investment in your health. Item Type: Donut Cushion Material: Fleece Fabric, Cotton Size: Approx. 42x37.5x9.5cm / 16.54x14.76x3.74in 1 x Donut Cushion