![What are these plastic things on top of Korean McDonalds coffee cups? These didn't exist just a few weeks ago. : r/whatisthisthing What are these plastic things on top of Korean McDonalds coffee cups? These didn't exist just a few weeks ago. : r/whatisthisthing](https://external-preview.redd.it/k5Taz7AfZwb21d5Y57oW4t4SBO79mhYaOz_L2jG9DWU.jpg?auto=webp&s=eb5732b2b95124ab20498e26a855110a6f1709f2)
What are these plastic things on top of Korean McDonalds coffee cups? These didn't exist just a few weeks ago. : r/whatisthisthing
![McDonald's rolling out reusable 'rented' coffee cup that customers return after drinking to help the environment | The Sun McDonald's rolling out reusable 'rented' coffee cup that customers return after drinking to help the environment | The Sun](https://www.thesun.co.uk/wp-content/uploads/2021/07/NINTCHDBPICT000647025428.jpg)
McDonald's rolling out reusable 'rented' coffee cup that customers return after drinking to help the environment | The Sun
![Catriona Price on X: "Just tried to use my reusable @KeepCup at @McDonalds and was refused due to “safety regulations”. Safer to pollute the planet @ McDonald's?! Sort it out! @McDonaldsCorp https://t.co/SCT75gS7qT" / Catriona Price on X: "Just tried to use my reusable @KeepCup at @McDonalds and was refused due to “safety regulations”. Safer to pollute the planet @ McDonald's?! Sort it out! @McDonaldsCorp https://t.co/SCT75gS7qT" /](https://pbs.twimg.com/media/DdZ6yOGV4AUOtvI.jpg)