RCR Opera Tumbler 30 cl (Set of 6) Enjoy a refined drinking experience with this set of six RCR Opera Tumblers. With a 30 cl capacity, they are perfect for cocktails, drinks on the rocks, or a refreshing juice or water. Designed for comfort, these tumblers measure 9.4 cm in height and 8.2 cm in diameter, ensuring a pleasant grip and drinking experience. Beyond their functionality, RCR Opera Tumblers stand out for their timeless design, adding a touch of elegance to any setting. RCR is an Italian glass manufacturer known for combining elegant design with sustainability. Their production is powered by renewable energy, making their crystal glass both stylish and environmentally friendly. All RCR glasses are made from Luxion crystal, a 100% lead-free material known for its clarity and durability.