Yancheng Dafeng Sanai Home Textiles Co., Ltd. is a leading China-based manufacturer, supplier, and factory that specializes in producing quality sleeping masks. One of their top products is the 3D Contoured Cup Sleeping Mask. This sleeping mask is designed to provide ultimate comfort and convenience to ensure a sound night's sleep. The 3D contoured design creates a natural curve that fits the contour of your face, making it comfortable to wear for a long duration. The cup design prevents pressure on your eyes and ensures that the mask does not touch your eyelids. Made from premium quality materials, this sleeping mask is soft, lightweight, and breathable. It is also highly adjustable to fit all head sizes, thanks to the adjustable strap. The mask blocks out light, which helps to enhance your sleep quality, regardless of whether you're at home or traveling. In summary, the 3D Contoured Cup Sleeping Mask from Yancheng Dafeng Sanai Home Textiles Co., Ltd. is an excellent sleeping accessory that promises to provide maximum comfort, convenience, and value for money.