Highlights Material: Copper Colour: Copper Pattern: Solid Product Care Instructions: Hand Wash Onlylt Material Feature: Insulated Reusability: Reusable Number of Items: 4 Our solid copper stemless wine glasses are made of 22-gauge thickness plate of 99.98% pure copper hallmark, most of the manufacturers use 99% - which makes a huge difference. Food-grade lacquer on the outside and inside of the glass to save the luster and prevent from tarnishing. Use it for cocktails, lemonade or water. The copper surface of the tumbler the becomes frosty if you put ice in it - an amazing effect. Impress your guests! A perfect solution for a gift to any occasion: weddings, anniversaries, birthdays, housewarming parties, bachelor or bachelorette parties, for the groomsmen or bridal showers, mother’s day, great gift for men and women to give thanks, or just because!