Death Note: L & Rules Mug Unique

“Do you know the secret rule of this Death Note mug?
“”””If the human using this mug does not drink his hot beverage in the next 6 minutes and 40 seconds, his drink will get colder.””””

– Standard size (320 ml).
– High quality printing process. Dishwasher safe.
– Micro-wave safe.
– Material: Ceramic.
– Packaging: PVC box.”