Light Up LED Flashing Margarita Glasses Plastic Cocktail Glass 10 oz. Bottom rim has a non sliding (gripping) seal With fresh batteries. 3 different flashing and not flashing modes. The base is detachable so the glasses can be washed. I have a total of 11 can be sold individually or as a set. Price is 6 dollars a glass plus shipping. Shipping will be adjusted if purchasing more than one. Shipping is determined by size and weight. Just let me know how many you need and I can find out shipping cost.