That's up to you. 7-Eleven is basically daring you to be creative and tag the resulting selfie with #BYOCupDay. There are some restrictions. The cup must: Be clean Be watertight and leak-proof Fit ...

with McDonald’s McCafe and 7-Eleven’s 7Cafe named among the main culprits. The council said the practice defeated the purpose of customers bringing their own cups for takeaway drinks to reduce ...