■ Product Features ■ Equipped with 360-degree stretch function This high-performance mask, "HEPASKIN 4D Air Cool Mask," combines the simultaneous cooling of heat radiation and heat shielding with the addition of stretch function, using terahertz artificial ore. It helps to prevent stuffiness inside the mask and is expected to reduce stress. It also beautifully shapes the face line. It is equipped with a 360-degree stretch function for comfortable wear even for long periods. It fits the face and the stretchability accommodates the movement of the mouth, making it less likely to slip. The soft material is also a feature. ・Prevents stuffiness inside the mask ・Soft ear loops ・Heatstroke prevention measures ・Easy to breathe ・Prevents glasses from fogging up ・Voice is not muffled ・Emphasis on comfort Can be used repeatedly by hand washing (soaking is possible). Size adjustable. The free-adjust ear loops allow use by both men and women and are easy to adjust to the size of the face. ※ This product is not a medical surgical mask. Please refrain from using it in medical institutions, crowded places, or when feeling unwell. Material: 90% nylon, 10% polyurethane Capacity: 1 piece Country of origin: China Color: Blue Mask size: Free