Pack of 36 dropping these tumblers isnt a problem as they are made from a melamine plastic that is virtually unbreakable under normal conditions they are perfect for outdoor events or anywhere that standard glassware would be prone to breakage the classic retro design makes them ideal for serving soft drinks like milkshake or fruit juice to help save on space the tumblers are stackable and can be stacked with other colours from the range capacity 9oz pack quantity 36