The manual is patented, antibacterial and waterproof fabric, more fashionable and more comfortable. Lazboy is a well-known brand in the United States. The reason why it is expensive is that the manual version is patented, and the antibacterial and waterproof fabric is more fashionable and more comfortable. lazboy's production network covers five continents around the world, with large production bases in the United States, Thailand, Chile, Mexico, South Africa, and Eastern Europe.