O Optical Longdrink 58cl, 2-pack by Riedel. This is the glass for drinks and soft drinks. The optical effect "Optical O" is based on the popular series "The O Wine Tumbler". The glasses are perfect for everyday life, the landing place, the boat or a picnic in the garden. All glasses have no foot, which makes the glasses more durable and easier to handle, the glasses are also safer in the dishwasher.