These reusable face masks are a great way to help keep kids safe and show their holiday spirit at the same time! They can help protect against allergens, germs and pollution, while helping to avoid the common cold, seasonal allergies, and breathing in smog. The comfortable design can help filter out dust, smoke and more.he fabric masks have adjustable ear loops, delightful designs and are machine washable and reusable. A pocket inside can hold an optional filter (#55330 sold separately). Cotton. One size fits most kids. Measures 11 1/2" x 7". Choose: Snowman, Rudolph, Red Snowflake, Frosty or Santa. This item is not returnable.