100% Polyester - 

Dual side Use

One side blank for Dye Sublimation

Pocket for Filter pm 2.5

SIZES - EAR TO EAR Each pack has single size- Specify size - Let us know if you want mix sizes

Large - 12.50 to 13 INCH 

Regular Unisex - 12 to 12.50 INCH

Kids - 10.50 to 11 INCH