Green Slime Starbucks Cup 2025. Last year customers were treated to a green slime cup from starbucks that was crazy popular. The green starbucks slime cup is a new reusable cup that starbucks introduced in early 2023.

Here’s when you can get it, plus other cool slime cups from etsy. The green starbucks slime cup is a new reusable cup that starbucks introduced in early 2023.