Attention: 1. Origo mask is a semi-permanent cotton mask with HEPA filter. The more you wash, the less it may be. Please hand wash under 86F water. Natural drying. Do not use laundery dryer. 2. Due to the nature of handwoven fabrics weaving from looms, all may be uneven. Isert the lossened parts inward using a needle or the like. 3. As different computers display colors differently, the color of the actual item may vary slightly from the above images, thanks for your understanding. Packing: 1ea HEPA Filter cotton Mask 1ea Mesh Pouch Mask Occasion: Suitable for running, cycling, hiking, skiing, crafts, gardening, anonymity and other outdoor activities, such as tourism, hospitals, public places. Suitable for children, the elderly, pregnant women, women, men, teenagers, etc.