Fangrui Product Details Material: These Paint Brush Holders Are Made Of High Quality Plastics, Are Stable In Structure, Not Easy To Break Or Fade, Light In Weight, In Exquisite Workmanship, You Can Use Them With Ease And Confidence. Extendable Design: Brush Cases Are Retractable, Allow You To Adjust The Length Ranging From 9.8-18 Inches, With The Diameter Of 1.96 Inches, So That You Can Hold Pens Or Brushes In Different Sizes According To Your Demands; And You Can Also Adjust Them Into A Small Size, Easy To Store, Saving Much Space. Easy To Use: These Paintbrush Organizers Are Simple To Use, And You Just Need To Rotate Them To Get The Proper Length You Want; And These Paintbrush Organizers Are Translucent, You Can See The Inner Objects Easily, Convenient To Find The Object You Need. Package Include: You Receive 4 Pieces Of Paintbrush Holders From The Package, Enough To Meet Your Uses And Needs, And You Can Also Share Them With Others. Wide Application: These Pen Cases Can Be Well Applied On Holding A Lot Of Items, S