Use our code BDFDSHIRT18 at checkout on Custom Father's Day T-Shirts from Gifts for You Now to drop the prices from $19.98 to $11.98. Plus this code drops shipping to a flat $4, which saves you $3 in fees. You must choose economy shipping to see the discounted price. You can choose from 28 different styles for your dad or grandpa. These 100% cotton T-shirts are available in sizes S-4XL (extended sizes will incur an additional fee). Personalization is free, and there is no sales tax (except IL).