Specifications: Material:Medical fabrics Size: 70cm*14cm Color:Black Notice: 1.Without mask. 2.Please allow 1-5mm error due to manual measurement, please make sure you do not mind before you bid. 3.The colors may have different as the difference display,please understand. Package included: 1 X Universal ventilator mask headband Features: 100% brand new and high quality Effective absorption of the ventilator to provide air quality Ventilator support,for fixing the mask to ensure better treatment,the patient's fixed mask