Essentials New Full of understated elegance, Essentials is a glassware collection for families. Suitable for diners of every age, it includes highball tumblers in two different sizes: 38 cl and 30 cl. From breakfast to dinner, these tumblers can be used for various drinks such as fruit juices, water or iced tea. This practical range is dishwasher safe. The tumblers can be stacked for optimal storage in your cupboards.