Edge Treatment: No sharp corners or protrusions are present around the entire body. Transitions between lines are gentle, preventing any interference during use. Travel-friendly: Lightweight and compact, perfect for frequent trips or short journeys. Effortless inflation/deflation: Valve design enables precise control over rapid inflation and gradual deflation, ensuring straightforward operation. Elastic memory: Retains original shape and functional stability after repeated compression or bending. Discreet Packaging: This product's packaging contains no text or graphic information, safeguarding your privacy.