1. Size: 12*1.2cm 2. Material: tempered glass 3. Various color are available for your selected. 4. OEM is ok. Glass Nail File:1. Material: tempered floated glass.2. Available Size: 90cm, 140cm, 180cm.3. Available Color: Yellow, cobalt blue, lemon yellow, ruby, magenta, light red, green, black, blue, white, violet, combination.