Pa-protactinium-91

$36.00

Fun facts: Dense and rare. Was once one of the most expensive substances on Earth to isolate.

Great for: Fathers' Day, or really anytime, for Dads. (symbol, Pa).

Embrace the brilliance of a Protactinium atomic element hat from Lidnium. Crafted from premium washed cotton with precise Pa symbol embroidery and an adjustable fit, this cap lets you stand out—whether you’re celebrating a milestone or powering through your day. Wearing a Lidnium cap adds a little juice to your day, and Protactinium takes it to the next level.