Heavy solid glass base, perfectly balanced to prevent tipping and spilling and dishwasher safe. Perfect for whiskey, tequila, vodka, espressos, desserts, party decorations, gifting, bars, hotels, restaurants, night clubs, catering, home, kitchen, housewarming, birthday, wedding, anniversary, retirement, graduation, congratulations, baby shower, job promotion, stocking stuffers, bachelor and bachelorette parties, festivals, Secret Santa, White Elephant, Christmas, New Years, Valentine’s Day, Father’s Day, Mother’s Day, St. Patrick’s Day, Halloween, Mardi Gras, Oktoberfest, Spring Break