General description Designed with an ergonomic lengthened hollow ventilation, this Memory Seat Cushion for Office Chair effectively suspends your coccyx above hard seating surfaces, relieving pressure and improving posture. It circulates and ventilates, keeping away heat and humidity, which helps alleviate troubles caused by hemorrhoids and other issues. The cushion features slow-rebounding memory foam that provides firm support while maintaining its shape for a longer service life. Its versatile design makes it suitable for office chairs, cars, sofas, dining chairs, outdoor patio cushions, and even for use during travel and at sports venues. Technical specifications Material: Slow-rebounding memory foam Cover: Breathable fabric Design: Ergonomic lengthened hollow ventilation Care: Large opening zipper for easy cover removal and cleaning Usage Ideal for office chairs, car seats, and various types of seating Recommended for use during travel and at sports venues Should be left for 2