In simple words, the high quality branded item is the best option to go for. Some of the bestselling items you can find online are Bormioli Rocco Rock Bar, IKEA 365+ tumbler, Duralex Picardie, and IKEA Godis. All these options are made of clear glass with higher quality and maximum durability, making them ideal for daily use. However, if you are looking for cocktail glasses, the choices may depend on different factors, including; if you are using them in a pub/restaurant/ or home, what drinks you want to serve and how often you will be using them.