Are you tired of dealing with unruly patients who refuse to follow optometric instructions? Do you find yourself saying 'Keep Calm Or I Will Use My Optometrist Voice' more often than you'd like? If so, this humorous tumbler is the ideal gift for you or the optometrist in your life!

Available in black color with a 20oz or 30oz capacity, this vacuum-insulated tumbler keeps hot drinks hot and cold drinks cold. The stainless steel and powder coating material ensures durability and easy cleaning. Hand wash only to maintain its sleek appearance.

Whether you're a seasoned optometrist or just starting out, this tumbler is a thoughtful gift for any occasion, especially Father's Day. Imagine the look on your loved one's face when they receive a gift that speaks to their profession and sense of humor.

Treat your favorite optometrist to this unique and functional gift. They'll appreciate the thought and humor behind it, and use it every day to keep their drinks at the perfect temperature. So go ahead, show your appreciation and keep calm... or use your optometrist voice!

• This funny tumbler is the perfect way to show your appreciation for the optometrist in your life, keeping their drinks hot or cold for hours. The quote 'Keep Calm or I Will Use My Optometrist Voice' adds a touch of humor to their daily routine.
• The high-quality stainless steel and powder coating ensure that this tumbler is sturdy and long-lasting, making it a great addition to any optometrist's morning routine.
• Whether you're shopping for a friend, family member, or coworker, this tumbler is a thoughtful and practical gift that they are sure to appreciate.
• The vacuum-insulated design keeps drinks hot or cold for hours, making it perfect for sipping hot coffee or cold tea on-the-go.
• Don't miss out and make this Father's Day one to remember! This tumbler is the perfect way to show your appreciation for the optometrist in your life and bring a little humor to their day.