Description: 【Wrapped Seat Cushion】: Hollow design, breathable and relaxed buttocks, fit the curve of the buttocks, more comfortable to sit for a long time. With a zipper cover, it is easy to remove for cleaning. 【Material】: Donut pillow made of polyester material, 3D honeycomb breathable fabric, soft, comfortable and breathable, can sink under the force and fit the buttocks. 【Humanized Design】: According to the different physiological structures of men and women, the front end is designed to be differentiated. The tail vertebra has a groove design, which can be relaxed after sitting for a long time; the front part has a groove design, which is from compression; the legs are designed with a sliding , and the legs are naturally relaxed. 【Donut Cushion】: It can be used as a doughnut cushion in the home office, a car cushion on the road, a wheelchair cushion, or a donut pillow postpartum for accessories. 【Portable and Durable】: Lightweight and portable, suitable for trains, buses, airplane seats, office chairs, road trips, trucks and RVs, sports stands, movie theaters, classrooms, churches, and more. Specification: Material: Polyester Size: 45x41x7cm/17.72x16.14x2.76inch Package Includes: 1 Donut Pillow Hemorrhoid Seat Cushion  Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!