Tray: basic 6 inches, warm tips: an inch about 2.5cm or so, (adult general palm open thumb to the length of the little finger on about 20cm, for reference only, from person to person) Bowl: diameter of 15cm to 20cm between. Chopsticks: 18 to 25 centimeters between the spoon: 12 to 15 centimeters between the above data from the network,

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