- Ergonomic design: Pressure relief seat cushion with an ergonomic U-shaped cut relieves pressure on the sciatic nerve and reduces back pain, as well as discomfort in the legs, buttocks, and tailbone from long periods of sitting. - Multipurpose support: Donut pillow for tailbone pain supports the tailbone to relieve pressure and minimize tailbone discomfort. Its slope and contoured surface shape the lower body and support the thighs for enhanced comfort. - High density memory foam: Donut pillow for hemorrhoids retains its shape and does not deform or collapse, providing long lasting support and consistent comfort. - Removable breathable cover: The hemorrhoid pillow uses a mesh cover for improved airflow and to reduce skin irritation. The bottom features a non slip design. The cover is removable and you can take out the memory foam for cleaning. - Use scenarios: 1) At the desk: place on an office chair to relieve tailbone and lower back pressure during long work sessions. 2) In transit: use on car or train seats to reduce discomfort on long drives. 3) Posture and recovery: suitable for after hemorrhoid treatment or other procedures where sitting duration is limited by pain. - Key attributes: ergonomic design, memory foam core, U-shaped cut for nerve relief, breathable mesh cover, non slip bottom, removable cover for easy cleaning, long lasting shape retention.