First, the lid of the cup must be brown (I'm sure this cup must be brown, from top to bottom ~ ~ ~)
Second, there are two Starbucks instructions in the cup, and if they can be provided, half of them are true (because those two things are Starbucks cups and instructions ~ ~).
Third, just look at the bottom. Starbucks' double insulation design is also a small patent ... not so easy to imitate.