Black Mask, 3D, Non-woven Fabric, Individually Wrapped, 30 Sheets I received these, but they don't seem to suit me (^o^;) So, I'm putting them up for sale. Due to shipping costs, I will send them without the box. 【High Filter Performance】 This mask has a 99% block performance, preventing the entry of colds, pollen, etc. 【Comfortable Fit】 The ear loops are made of polyurethane, designed to be gentle on the ears even during extended use. 【Appropriate Size】 Approximately 205mm x 80mm, providing an optimal fit for adults. - Product Name: Adult Four-Layer Structure Mask - Color: Black - Quantity: 30 sheets - Filter Performance: 99% block - Size: Approximately 205mm x 80mm (when folded) - Material: Body/Filter: Non-woven fabric (polypropylene) - Ear Loops: Polyurethane - Nose Fit Bar: Polyethylene Unopened, but please understand that these are stored at home (*^_^*) Please refrain from purchasing if you are concerned about minor details (^_^) Thank you for looking.