For centuries, Bohemia, a part of the Czech Republic, has been known for its crystal. It was here where the art of crystal cutting was perfected. Today, Preciosa is known worldwide for its unique Hi-Pure Crystal Technology. They use only state-of-the-art technology in the manufacturing process. Their crystal products possess extraordinary optical and aesthetic characteristics. Preciosa is an environmentally friendly company. They enforce environmentally safe working conditions and utilize ecologically responsible technologies. The Preciosa GENUINE CZECH CRYSTAL trademark is a guarantee of the finest quality Czech product. NO Hotfix Stones are designed for application by gluing and have a highly resistant multilayer silver or aluminum foiling that protects against damage and intensifies their brilliance. They can be easily fixed with one- or two-component glues on various types of surfaces.