High quality material:The graduation tam is made of high quality velvet , the interior of the tam is lined with nylon and has an adjustable elastic band. One size fits all: Adjustable sizes 19"-23" are secured by an elastic band using Velcro. Multiple styles to choose from: We have 8-sided, 6-sided and 4-sided, with gold tassels and without gold tassels for doctoral graduation Tam. And there are royal blue and red to choose from. Moment of Achievement: Doctoral Tam is used for more advanced graduation ceremonies, such as master's and doctoral graduation ceremonies, allowing you to shine at the ceremony. Excellent service: You will get excellent service and you can contact us at any time with any questions.