Description: 【Material】: The Cushion is made of cotton and sponge pads, which is comfortable, breathable, durable, washable and quick drying. 【Open Hole Design】: The holes on the Donut Cushion allow air circulation, providing a more comfortable and dry feeling. It is very suitable for people who are bedridden for a long time. 【Comfortable】:The Doughnut Pad adopts scientific ergonomic design, which is comfortable and meets your sedentary needs. 【Portable Design】: The Donut Pillow is lightweight and easy to carry. It can be carried wherever you need it, making it more convenient to meet your needs. 【Multiple Uses】:Stuffed Donut Pillow Seat Cushion can be used anywhere there are seats, such as cars, buses, planes, trains, beds, office chairs or homes, allowing you to have a comfortable work or travel experience. Size Chart: 40cmx40cmx4cm/15.75inchx15.75inchx1.57inch Package Includes: 1 Cushion Note: Please allow slightly errors due to manual measurement and different monitors.