Never confuse your glass with someone else’s with these Drink Markers Silicone Rings! It comes with 12 markers in different colors! This ring can help you easily identify which cup or glass is yours. This is especially helpful when having parties or get-togethers where people will have the same cups. Simply put this ring around your cup to mark it. Since it is silicone, it is flexible and stretchable. It is also easy to clean.