Serial Number: 1	Serial Number: 2
Serial Number: 3	Serial Number: 4
Serial Number: 5

Material: three， inside， the outer layer of cotton， the middle layer of activated carbon fibers

Type: three-dimensional thick masks. Size (without strap): Tile length 19.5CM， width 13CM， longest possible stretch 20.5CM ，. Length of tape containing tile 29CM， can stretch to 35CM， strap of cotton， a weak scalability.