High Heel Light Up Wine Charms stick to any wine glass with a suction cup so everyone can track their glass. High Heel Light-Up Charms work on stemless and stemmed wine glasses. The High Heel Light Up Wine Charms, featuring colorful high heel stiletto shoes, each have blinking LEDs activated by a button. This set of six High Heel Light Up Wine Charms change ordinary wine glasses into extraordinary wine glasses. Batteries included (2x LR20 per charm).