Promotional 340ml Quadro Twist Crystalite Whisky Tumbler Introducing our 340ml Quadro Twist Crystalite Whisky Tumbler. Meticulously crafted from Crystalite glass, renowned for its exceptional clarity and brilliance, this tumbler showcases your whisky in all its splendour. The Tumblers dynamic sculpted shape is unique, catching and refracting light, the design commands attention in any setting. With a large surface area for engraving and able to be purchased with a satin presentation box, this makes for a sophisticated and memorable gift that conveys your discerning taste and appreciation for the finer things in life.