Funny Father's Day Tumblers From His Little Sperm Swimmers

A unique gift from his little sperm swimmers that are used to live in their Father’s ball. Guaranteed to get a laugh, but also a safe and healthy drinking experience with a unique personalization. Material: Stainless Steel. Size: 20 Oz. 30 Oz. Design: “we used to live in your balls” Humorous Father’s Day design with children’s names. Color Options: 9 available colors to choose from. Font Options: 5 stylized font options are available for customizing names. Additional Features: Keep your beverages hot for 12 hours, cold for 8 hours.Double walled vacuum insulated.Sweat FreeBPA FreeFits any cup holder. How many sperm swimmers can I customize on Funny Father’s Day Tumblers from His Little Sperm Swimmers? You can customize up to 6 children’s names with little sperm swimmers. Can I change the engraving color of Funny Father’s Day Tumblers? You’re not allowed to choose a font color. The engraving is white, but if you choose a white tumbler, the engraving will be black.