Feature:1. COMFORTABLE: Made of premium memory foam, the seat cushion provides all around comfort, easily fixed on car seats and office chairs.2. HOLLOW DESIGN: Memory foam seat cushion with hollow design, circulation and breathable, say goodbye to sedentary hot and humid.3. LIGHTWEIGHT: Designed to be lightweight and portable, you can easily bring it to the office, home or use it while traveling to enhance your work and life quality.4. GROOVE DESIGN: Hollow pillow cushion with front and back end groove, better fit the hip and providing good support.5. EASY TO CLEAN: The removable and washable cover is designed for easy cleaning and maintenance, prolonging the service life.Specification:Item Type: Memory Foam Seat CushionMaterial: Memory FoamProduct Size: Approx. 30x40x7cm / 11.8x15.7x2.8inColor: Navy BlueShape: Oval.Package List:1 xMemory Foam Seat CushionNote:Please allow some error due to manual measurement.