?ONE SIZE FITS MOST - - Size : 5.7*3.2 inch / 14.5cm*8 cm .This pleated mask is very close to the face shape and very comfortable to wear.Moreover,the common size and adjustable ear straps fit most kids.?REUSABLE AND WASHABLE - The mask is made of soft cotton ,you can wash it many times but no fade.Good school pack for kids. Our masks are made of soft cotton. Please don't rub them when washing and it 's better to iron them after washing?GOOD FUNCTION - This pack include 8 pieces masks.The mask contains good quality fabric which provides better filtration. It is a good choice for kids in windy day and dust place.?APPLY TO ANY OCCASSION- You can wear the masks in any occasion. Use it in fishing, running, cycling, working, parade, hiking, traveling and so on. It will play a good role in dust -proof and wind day?GREAT SERVICE - We are committed to produce products to your satisfaction, if you have any problems in use, please contact us immediately.We'll take care of it right away.Let you free from worries.