These are cute can badges from the collaboration between IDOLiSH7 and Village Vanguard, featuring a pop design. The design, which looks like a handwritten in-store pop by Kujo Tenn as a store clerk, is very cute and eye-catching. Of course, the message was also unique to this collaboration. I've kept them stored away unused, so I don't think there are any noticeable stains, but please be aware of this if you are concerned.