This is the price for a set of 21 boxes. These disposable masks use a high-performance filter to block viruses and pollen, and are comfortable to wear without feeling stuffy. These are reliable, made-in-Japan masks. They have a wire around the mouth, making breathing easier and providing a comfortable fit, so they are recommended for children and the elderly who may not like wearing masks (^^). - Brand: elleair - Product Name: HYPER BLOCK MASK - Size: Small - Color: Ice Blue - Quantity: 30 pieces per box