- While Shtox glasses rotate the mysterious movements of decor lines create captivating visual effects that resemble the magic of flowing water, the dance of burning flame, flickering of the stars in the night sky ... Add romance and thrills into your life. - MADE IN GERMANY - Shtox glass is produced by Nachtmann factory in Germany. - HIGH-QUALITY CRYSTAL gives them an exclusive and aristocratic elegance. - WORLDWIDE RECOGNITION - The winning of spinning glass SHTOX in 2009 at the international competition Red Dot Design Award, one of the largest and most famous design award in the world - THE PERFECT GIFT for a man who has everything and the unusual gift for Scotch/Whiskey lovers While Shtox glasses rotate the mysterious movements of decor lines create captivating visual effects that resemble the magic of flowing water, the dance of burning flame, flickering of the stars in the night sky ... Add romance and thrills into your life. A great gift for a friend, a colleague, dad. Please have in mind that crystal is a sensitive material and you have to avoid extreme or rapid temperature changes, the glasses should be placed separately without touching each other. Don’t put one glass into another one, they can be damaged. Dishwasher heat, friction and detergent can dull or scratch the surface. Abrasive materials must not be used when cleaning.