What A Drag

"Standard width 100% silk tie with drag coefficient equation design for the scientist in your life screen printed and ready to ship and available in five colors choices.

Gray on a sky blue tie.
Dove gray on a navy tie.

And also but not pictured in listing:

Dove gray on a black tie.
Dove gray on a white tie.
Dove gray on a gray tie.

Please let us know which one you would like in 'notes to seller' at checkout.

Our standard width silk ties are 3.75" at their widest and 1.25" at their narrowest, and the overall length is 56"."

Found at projector's Etsy shop.