This adult face mask has two layer. Polyester fabric is on the outer shell for imprinting and soft cotton stretch fabric is on the face side. Its stretch material forms to the user's face and allows for a comfortable fit. You can customize these masks with text, designs, artworks, & logos. This size is for adult, if you want for children, feel free to get more information. 6 11/16" L X 4 7/10" W