General description This ergonomic memory foam seat cushion is designed to provide comfort and support for those suffering from hemorrhoids, lower back pain, and sciatica. Its unique hollow design allows for breathability and prevents heat and humidity buildup, making it ideal for long periods of sitting. The butterfly cut shape maximally supports the natural arch of your lower back, promoting better posture and reducing the risk of discomfort from poor sitting habits. Technical specifications Material: 100% memory foam Cushion dimensions: 45 x 38 x 10 cm Installation Simply place the cushion on your chair for immediate use. Usage Suitable for use in various settings including office chairs, cars, airplanes, trains, restaurants, and wheelchairs. Helps relieve pain and discomfort associated with prolonged sitting. Other information The cushion cover is made of breathable fabric and features a durable zipper for easy removal and machine washing. The bottom of the cover is designed to