Option Super Filer Sandpaper Files Other Brands
Size

2.2 x 6.1 x 15.3

- -
Protects Keratin Layer Yes No No
Lasting Period 2+ years 15 - 35 uses 6 - 12 months
Period of Use 12 months 1 month 12 months
Material Premium Tempered
Crystal Glass
Sandpaper
and/or Foam
Crystal Glass