4D breathable design delivers airflow and moisture control, with a quick-drying mesh that keeps the head cool and dry during every bath. Ergonomic foam cushion provides multi-directional, neck-friendly support to reduce strain, making longer baths more comfortable. Triple suction cup system secures the cushion to the tub, offering strong adhesion, stable placement, and resistance to movement during use. Three-layer construction maintains its shape over time, delivering soft, wear-resistant support that repels water and stains. Practical and reliable design that stays in place without fuss, designed to complement common bathtubs while delivering steady performance. Usage scenarios: - After a workout or long day, enjoy a refreshing soak with cool, comfortable support. - Use for long, relaxing baths to relieve muscle tension while keeping neck and head well supported. - In shared tubs, rely on secure adhesion to prevent shifting during movement.