How to maintain the hardener: As this is a wooden product, please do not wash it with water. When cleaning, please wipe with hot water with a damp cloth and wipe it with a damp cloth. The triangular hardener absorbs moisture and removes the adhesive when washed with water. If it comes loose, please repair it with wood bond. As for salt rock (white, rose, black), it may become clumps due to the nature of rock salt, but this is not a damp, so if you loosen it from the top of the bag, it will return to a smooth rock. For those who are concerned about overnight rooms during travel destinations, this set can easily be used to store salt. Give your room a good nights rest by removing any evil from the room and having a good salt in the corners of the room. You can also use it at home. Set Contents: White 2 inch plates (diameter approx. 2.8 inches (7 cm)), 5 pieces (white is perfect for removing evil and returning to its original). Salt Rock Salt 7.1 oz (200 g) (Suitable for salt salt); Spray Container for Purifying Water (Do not use water at your destination) Please use purified water. Scepter shaped spatula for salt (made by Kiso Cypress and shaku shaped shaku shaku). Large salt hardener [Conical type] (made of cypres) Size: 6.1 x 5.3 inches (154 x 134 x 97 mm) *This is that water will not fit when you travel. It means that you always use water at home. It is also a problem with mineral water on the market.