Fizzy drain freshener for bathroom sinks will have your sink smelling clean and fresh. Run bathroom sink water first to ensure it is hot and then turn off water before proceeding. Place one cube on top of the sink drain. Begin running a stream of hot water directly onto the cube for 30 seconds or until gone. Your sink drain will be left smelling refreshed! Includes 4 steamers in your choice of the following scents: Lavender, Eucalyptus, Lemongrass, Peppermint Size: In less than half an oz, these fizzy fresheners pack a powerful scent in a small package! Topped with Dried Botanicals Made with pure 100% therapeutic grade essential oils Natural Ingredients Handmade Ingredients: sodium bicarbonate (baking soda), citric acid, menthol, essential oils