Father's Day Gift Mug - 14oz Funny Grandpa Mug, They Call Me Papa Because I'm Too Cool to Be Grandpa (Sliver) Mug Stainless Steel Travel Mugs for Coffee or Tea - 14oz, Awesome Gift Mug for Grandpa Holds 14 Ounce. Stainless Steel Material Keeps beverages hot for a long time Sturdy and durable Awesome Gift Idea