Swarovski crystal is a delicate material that must be handled with care. To ensure that your Swarovski products remain in better condition over a long period of time, please observe the following recommendations to avoid damage :Crystal Creations and Home: Carefully polish your products with a soft lint-free cloth, or hand wash with lukewarm water. Do not immerse crystal products in water. Dry with a soft lint-free cloth to maximize brightness. Avoid contact with rough abrasive materials and glass/window cleaners. When handling crystals, it is recommended to wear cotton gloves to avoid leaving fingerprints.