This shirt will make a great gift for your Nana. This t-shirt says, "Worlds Best Nana" and is available in either white or black. This t-shirt 100% cotton and is available in S, M, L, XL, 2XL, and 3XL. The artwork is created using heat pressed vinyl. 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.