These custom shot glasses are made from restaurant-grade clear glass, giving them a quality feel. The solid glass base makes these custom shot glasses sturdy and reduces the risk of accidental tipping. They come in one standard size: 1.5oz (44.3ml)..: Custom shot glasses made with 100% clear glass.: One size: 1.5oz (44.3ml).: Heavy solid glass base to minimize spilling.: Restaurant-grade custom shot glasses.: Please note: the listing includes a single shot glass