Memory Foam Seat Cushion for Office Chairs, Slow Rebound Student Seat Cushion for Prolonged Sitting without Fatigue, Breathable Hemorrhoid Relief. Introduction: This memory foam seat cushion is designed for those who sit for extended periods, utilizing slow rebound technology to effectively relieve fatigue caused by prolonged sitting. Whether at the office or at a student's desk, the breathable material keeps you comfortable and prevents overheating. It is also particularly suitable for hemorrhoid sufferers, reducing discomfort when sitting and significantly relieving pressure. Lightweight and easy to carry, it adds warmth and care to your seat anytime, anywhere, making every sitting experience more relaxed!