Polycarbonate glasses are the answer to the problem of constant glass breakage and security. They look and feel almost like glass but have none on the disadvantages. Being almost unbreakable there is little chance of them being used as a weapon should trouble flare and their strength also makes them ideal for outdoor use, particularly in and around pool areas where broken glass could be an expensive nightmare. This festival hiball is designed with large events in mind. Crystal clear, smooth to the touch and no sharp edges, it is designed to elevate the drinking experience for all. Each glass stacks inside each other, taking up less bar space and making it easy to carry empties to your wash facilities, then back to the bar for a refill.