Features: Engineered with cell technology and ergonomic designs, this seat cushion provide pressure relief for enhances comfort during prolonged sitting. The portable inflatable cushion features polyester construction and includes pump for instants setups, offering support through its breathable cell structure. Ideal for frequent traveler, office workers, driver, pregnant women, and elderly users seek back/hip alleviation during extended sitting. Perfectly adapts to airplanes seats, car interiors, office chairs, or home workstations for postural support and improved sitting ergonomics. Water resistant polyester materials ensures easy cleaning and maintenance while maintaining airflows through its innovative 3D cellular designs. Specifications: Materials: Polyester Color: Gray, Blue, Black (optional) Size: 45x45cm/17.72x17.72inch Package Includes: 1pc Seat Cushion note: Please allow 1-3cm error due to manual measurement. makes sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.