1.3 Pack Set: Enough For Every Working Day Of The Week Or To Share With Your Team2.Size: Features An Elastic That Allows Adjustability To Fit Recommended Head Circumference 22 - 24 Inches (Maximum Size). Clips May Be Used To Reduce The Circumference For Smaller Sizes (Sold Separately).3.High Quality: Made Of Durable 80% Polyester- 20% Cotton That Maintains Its Clean Look And Is Comfortable For Long Usage4.Made For The Job: Not Only Do The Hats Help Keep The Hairs Away, The Design Combined With Material Allows The Hat To Stand And Keep Its Beautiful Shape. Features An Air Hole At The Back For Air Circulation.