brand new and high quality Features: Avoid mouth and nose contact with masks: The surface of disposable masks is easy to absorb various pollutants. Three-dimensional ventilation design: The three-dimensional ventilation design provides more space for breathing, avoiding the problems such as stuffiness and allergies caused by masks and face close contact. Ergonomic design: 3D three-dimensional support, designed according to the curve of human face, strong fit, can retain more breathing space. Suitable for different face shapes: Due to its ergonomic design, it can adapt to different face shapes and is suitable for use by men, women and children. Wear firmly without slipping: The mask holder is tailored for disposable masks, which can be hung firmly in the disposable mask without worrying about slipping. Reusable and easy to clean. Specifications: Material: PP Size: app.4x3.6in Color: White Optional Styles: A(5pcs/set), B(10pcs/set) Quantity: 1set Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1set(5pcs or 10pcs) x Mask Inner Support (other accessories demo in the picture is not included.)