#1, #2, #3, #4, #5
Double layers of cotton fabric to help with breathing and protection.
Opening in the back to insert a filter (filter not included)
Nose wire for better fitting.
Head ties stretch to allow the mask to snuggle around the face and makes wearing the mask more comfortable because you don’t tie it around your ears. (see video below)
For other mask styles and colors, click here https://riomardesigns.com/product-category/face-masks/