Come and see our amazing products. 3D three-dimensional design, exquisite skin-friendly fabric, soft and not easy to deform, close fit and breathable.There may be a little odor when you just wear it. Please rest assured that it will not affect the use.Polyurethane is inherently good in resilience, stretchability, softness and lightness, even if it is worn all day, it will not cause ear pain. Pls confirm further with us if any query about packing info, inventory status and time schedule.