Using these candles is easy. Just place them in a glass bowl or container filled with water. They'll float nicely and create a warm, inviting atmosphere. The candles burn for about 1 - 2 hours, but keep in mind that altitude and climate can change this. When it comes to maintenance, there's not much to do. Just make sure to store them in a cool, dry place. Avoid leaving them in extreme heat, as it can damage the candles. Also, if you're shipping them to a hot area, be aware that the heat might affect their condition. So, use your judgment and enjoy these beautiful rose - gold floating candles for your decor needs.