The outstanding feature of these glasses is their form; each glass consists from one piece only. Its bottom end, where a greater amount of glass material is situated, is called ?ice?. This part is to slow down warming of the drink. This type of glasses is used for serving soft drinks, juice , cocktails, beers, and, last but not least, whisky and related beverages. HIGH BALL:- is a tall tumbler & Old FASHIONED: – is a low tumblers. BOHEMIA CRYSTAL:-The Bohemia Crystal glassworks is characterized by its automated production and manufacturing high quality crystal glass, so called ?crystalline?, without lead application (lead-free crystal). Its best qualities are high transparency and mechanical resistance. Precisely formed, thin-walled stemware with smooth rims enables to excel even to the finest wines, elegant tumblers accentuate taste of the other, equally popular drinks. Glasses manufactured in Czech Republic adorn each festive table; moreover, they serve as convenient complements of informal meetings. Undecorated glass is suitable for washing in dish-washers. Each product intend for a contact with foodstuffs is subject to strict rules on health safety. Its quality is confirmed by a certificate of respective institute. RECOMMENDED CARE AND MAINTENANCE OF GLASS:- It is possible to use a dishwasher for these products. In such case, set the dishwasher at a glass-friendly program, at low temperature, and open its door as soon as the washing cycle finishes. Condensed vapours cause harm to glass. Please note that decorated products, whether it be with gold, platinum or paints, shall not be machine-washed. Wash such a product by hand in lukewarm water, using soft sponge and a mild, non-aggressive detergent. Treat the glass with a soft cloth after washing. When handling the glass, avoid any contact with hard objects including glass; there is a danger of scratching. Products are not intended to be used for serving hot beverages or in microwave ovens.