Features: Engineered with ergonomically curved memory foam, the Pressure Relief Seat Cushion distributing sitting pressure through its memory foam and high resiliences support base. The thickened anti slip cushion features a U shape tailbone cutout, enhancing stability while preventing deformation. Ideal for office worker, drivers, or students enduring prolonged sitting, this cushion provide targeted relief for back and thigh fatigue during extended desk or commutes. Securely fit office chairs, car seat, or study desks, maintaining alignment during sudden stops or frequent movements thanks to its reinforced grip and balanced weight distribution. Removable mesh cover with zippers ensures easy cleaning and long lasting breathability, with sustained hygiene and comfort. Specifications: Product Size: about. 48x40x10cm/18.89x15.74x3.94in Product Component: Memory Foam Color: 7 color optional Package Includes: 1pc Ergonomic Seat Cushion note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.