Ergonomic Seat Cushion, Sciatica Support for Office Chair, Black Large Size for Sciatica & Hip & Tailbone Pain Relief, Memory Foam Office Chair Cushion for Car, Long Trip, Desk Chair, Lab

Advanced Appearance Design: With its larger size and extended tailbone support structure, the seat cushion is ergonomically shaped to suit many different body types, helping you sit more upright and ease the strain of sitting for over 8 hours.
High Density Memory Foam: This office chair cushion features high-density, slow-rebound foam that delivers firm support while staying breathable. It offers comfort and effectively lessens pressure on the sciatic nerve and tailbone from prolonged sitting.
Soft & Removable Cover: The detachable cover can be taken off and washed to prevent odor accumulation. Machine washable fabric (100% polyester) remains soft after repeated washes. Non-slip rubber dots keep it securely in place during use.
Secure Grip & On-the-Go Convenience: Equipped with anti-slip silicone dots on the bottom, the seat cushion stays firmly positioned on most surfaces. The cover includes a reinforced handle for easy transport between work areas, vehicles, and play stations.
Versatile Use and Reminder: This cushion is adaptable for use on office chairs, dining chairs, or on the floor for yoga or meditation, offering comfort in various settings.
Please note: memory foam may feel firmer in cold conditions, but it will gradually soften after a brief period of use