Onis Gibraltar Original Beverage Glasses 350ml (12 Pack)One of the best known tumbler glasses in the world, these Onis Gibraltar beverage glasses are perfect for showcasing everything from cocktails to craft beers and soft drinks. The glasses feature a distinctive 8 sided design and are Xtratuff treated for increased resistance to thermal and mechanical shock. They're also dishwasher safe, allowing for a quick turnaround of fresh glassware during busy service periods.