Soul perch comfort collection face masks include dozens of fun, unique printed and solid fabrics with a tightly woven 100% cotton outer and a 100% cotton soft jersey inner. Children size SMALL are for ages 4-7. Size MEDIUM is ages 8-12. The fabric is the same size for both masks. The difference is the ear loops are longer for the size medium. 5 inches (chin to nose) x 7 inches wide.