Cardiology Tumbler - Knocking Noise

⭐ Tumbler Features:

Yes, It's supposed to make that knocking noise

• 20oz (0.59 l)
• Stainless steel, plastic and rubber lid
• Rounded corners for comfort
• Vacuum insulated steel body
• Clear push-on lid with rubber gasket
• Glossy finish
• Dishwasher safe
• Designed, printed and shipped in the U.S.A

🚑 Created by Funny Medical Gifts, designed by a medical professional for medical professionals.