The 2 oz Mini Plastic Shot Glasses Cups with Beads is made of food grade plastic, do not contain any harmful chemicals such as BPA, phthalate, PVC, or polycarbonate, so nothing can leach into your Beverage from the shot glass. Elegant look and adds to any table's aesthetics with their contemporary design.Reusable but are not microwave safe!Perfect to use as a party favor, cake decor, centerpiece, props, shot glass, and more!It's ideal for promotional programs, especially for wine, beer or alcohol brands. It is mostly used in the bars, pubs, parties and events where people get together to share food and drinks. Many people will notice the brands when they enjoy the food and drinks.The beads can be hung directly on the neck, which is more convenient and safer.