Product Contents: Lead and tongue required for blowing Note: Rosettes are consumable items (durability: about 6 years). If you put the whole tea on the tea, the spout may open too much. In that case, put the hat on and dry, just the tip and the paper portion of the tea and adjust the opening of the hat (0.04 - 0.06 inches (1 - 1.5 mm) is appropriate). ·The rosettes on this page are already processed, but there may be individual differences in the product that does not fit. There may be cases where streaks can be inserted into the sides of the rosette. Unless you breathe, it is no problem. We recommend purchasing multiple rosettes and keeping the two in a state that is prone to sound. Even when replacing rosettes, it may fit other rosettes and make sound easier. Please store sheds without discarding. Differences by rank (row, top features, and highest): In simple words, it is ranked by different hardness levels.