Premium Quality: The nail detail brush are made of high quality nylon,smooth touch,soft and ductile,rose gold tube ferrules are double clped to prevent hair shedding,and metal handles are the thin designed for fort controlling. Profal Nail Art Brushes: The thin nail art brush set contains 5 different size nail brushes 4mm,8mm,12mm,20mm and 25mm. The total length of the pen: approx. 17.8 cm/ 7 inches. Convenient Design: The body of the nail art brush pen is light and easy to hold,Lightweight and fortable for creating beautiful nail art work. : Our nail art liner brushes for l nail polish,acrylic paint,ding lines & fine ding & painting flowers and pattern design on nail tips and etc. Suitable for home use and profal nail sn. Tips: In order to better use these nail art brushes,when using for the first time,please soak it in warm water for a minute or two to wash off the sealing wax on the surface. It is remended to clean it after each use and wipe it with a paper towel..