Keep your thoughts in the right place with this Can't Even Think Straight Rainbow Coffee Mug. This mug is professionally designed and printed in the USA using high-quality ceramic and special ink. It's dishwasher safe, microwaveable, and has a comfortable. This Can't Even Think Straight Rainbow Coffee Mug is a funny and cute gift idea for anyone who loves to have fun at their desk job! Let your colleagues know how you really feel with this 1 piece white ceramic coffee mug that is comfortable to hold. The Can't Even Think Straight Rainbow.