Price is for one piecePlease leave a message of the color you need， if no message， colors are sent by random.Size: 9cm*9cm*14cmApplication: living room， bedroom， dining room， hotel， LibraryUsage: Put in the oven right amount of warm or hot water， then drop 5 to 8:00 oils， candles dedicated to the point and then you can put in the furnace. Aroma adults and room size， ambient temperature.