Children's Reversible Masks with Filter Pocket.
Children's Small: ~ 8.5 inches x 2.5 inches (~1-3 years old)
Children's Medium: ~ 9 inches x 2.75 (~3-5 years old)
Children's Large: ~ 9.5 inches x 3 inches (~5-9 years old)
Junior: ~ 10.5 inches x 3 inches (~9-13 years old)
Machine washable, tumble dry on low, and use an iron to press in pleats. The CDC recommends washing masks after every use.