Iowa City Is LITerature. This shirt benefits UNESCO Iowa City of Literature. This Design Has Been Retired and is No Longer Available on Our Sales Floors But Can Be Ordered Here Online! Since All of Our Retired Designs Are Printed on Demand, Please Allow For a Couple Extra Days Before Shipping. Black Screen Print on a Heather Grey T-shirt (65% Polyester / 35% Combed Ringspun Cotton). Cut and sewn sweatshop free. Designed and printed by Union Labor at RAYGUN.