Set of 5 handmade masks and 10 mask covers. 3 green patterned masks have black cotton on the inside and outside. Checkered and polka dot masks have gauze on the inside. The blue check is a mask cover. Use it by putting a mask through it like in the sample photo. The sample mask is not included. Please understand that there may be slight size variations as these are handmade items. Thank you for looking.