This is a set of two packs of 3 masks each, featuring Sanrio character designs and PM2.5-compatible 99% cut filters. - Designs: Sanrio characters (Hello Kitty, My Melody, etc.) - Filter effectiveness: 99% cut - Size: PM2.5 compatible - Quantity: 3 masks per pack - Designs: Sanrio characters (Dinosaur, Pompompurin, etc.) - Filter effectiveness: 99% cut - Size: PM2.5 compatible - Quantity: 3 masks per pack Thank you for viewing.