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Friends They Don't Know Heat-Changing Coffee Mug

$18.00

Start your day with a smile and add a little 90's nostalgia to your morning cup of coffee with this super fun Friends mug!  Celebrate your favorite crew with this coffee mug featuring the classic friends slogan!

This standard sized black mug initially features the phrase "THEY DON’T KNOW." Once you pour in your favorite hot beverage, the design changes bright blue and the slogan reads, "THEY DON’T KNOW, THAT WE KNOW THEY KNOW WE KNOW…"

  • Holds 10 oz.
  • Black mug when cold, turns blue when hot!
  • Not microwave or dishwasher safe
  • Clean before first use
  • Comes in gift box
  • Box measures 4" x 4"
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