The NIB Paladone Shine Bright Rainbow Drink Markers & Bottle Stopper Wine Glasses are silicone accessories designed to add a fun and colorful touch to your wine glasses. The multicolor rainbow theme and brand name Paladone make these markers and bottle stopper stand out in any bar or kitchen setting. Perfect for adding a touch of flair to your drinkware and also serving practical purposes, such as marking your drink or stopping up your wine bottles.