Antibacterial Fiber will not broke. Persia wool-Ultra soft fiber has good adhesion to powder. Birch wool handle provide better feel than normal handles. The aluminum alloys tube with deep plating enables metallic luster and Antirust. All Brushes were packed in independent plastic bags to avoid pollution. Size of Brushes (Approx.) : around 17 cm ~ 21cm / 6.7" ~ 8". And Bag Rolled-up size (Approx.) : Width x Length 14.0 x 24.0 cm ( 5.5"x9.5" ). Suitable for professional use or home use.