The Medical Simple Oxygen Mask is a high-quality product made from safe and non-toxic materials that is designed to deliver oxygen to patients with breathing difficulties. Our factory is committed to producing high-quality medical devices, and this oxygen mask is no exception. It is easy to use, comfortable, and adjustable to fit any patient's face size, making it the perfect choice for medical professionals. The mask is also durable and designed to last, providing superior value for money. With our commitment to quality, you can be assured that every mask leaving our factory meets the highest standards of safety and effectiveness.