Material: polyester Suitable season: winter Length (CM): 24 cm wide and 21 cm high Function: thermal insulation Specifications: 1. The outer part is thickened to keep warm, the inner part is soft against the skin, and the neck is gently cared for to effectively resist the cold air. 2. The interior is light, skin friendly, and fine, which can not shed down, lock the temperature and absorb moisture, and isolate the cold air. 3. It is warm and has good skin friendly permeability, low respiratory resistance, and comfortable and warm. 4. It is neat and comfortable, which effectively modifies the face shape and makes the face smaller. 5. The double-layer widened hemming design fits the skin, and there is no restriction mark when wearing for a long time. Package Included: 1*Bib