Celebrate St. Patrick's Day with a "Lucky" shirt! The shirts are 100% cotton. The art is created using heat pressed vinyl. The t-shirts design is created using heat pressed white vinyl. The shirts are available in the following sizes: 2T, 3T, 4T Youth XS (Equivalent to size 5/6) Youth Small (Equivalent to size 7/8) Youth Medium (Equivalent to size 10/12) Youth Large (Equivalent to size 14/16) Youth XL (Equivalent to size 18/20) When ordering please choose your size preference from the drop-down menu above. Care When machine washing please turn the garment inside out and wash in cold water and use a tumble dry temperature of low. Shipping There is a 24-48 hour turnaround time once your order is placed. We ship via USPS. You can choose from either FREE First Class Shipping (2-5 Business Days) or Priority Mail (1-3 Business Days). Both options will provide you with tracking details.